Research in Tunisia was undertaken in collaboration with Amna Guellali, Tunisia researcher, and field research on Turkmenistan was conducted by Viktoriya Kim, senior coordinator in the Europe and Central Asia Division. It ass fuck sexy milf mom creampie by son porn well recognized that similarities exist between naturally occurring variations and hymenal changes resulting from injury [ 122532 ]. It was too painful. One, filed in in Kifili, was dismissed in May for lack of evidence. Sandjon later informed Nkom that he had delegated the affair to a colleague. Imperforate Hymen: Background, Problem, Epidemiology. I went on the bed and he examined me with a tool. The clinical test brought normal results. US Department of Justice. Gross M, et al. During the course of research, Human Rights Watch also received reports of the recent use of forced anal exams in Syria, but we were unable to conduct field research to confirm those reports. Limitations Our findings must be interpreted within the limitations of this study. All 53 were taken to the Forensic Medicine Authority, a branch of the Ministry of Justice, and subjected to forced anal examinations. Then he came and started prodding me with his fingers, putting one finger inside of me, and it was painful. Then the core vere big tits furry blowjob gif told me to bend. I did.
In most cases, however, male initiation of anal intercourse was non-violent and consensual in nature. Desegregating sexuality research: cultural and biological perspectives on gender and desire. The report is based on interviews with 32 men and transgender women who underwent forced anal examinations. For example, in one small study of 36 pregnant adolescent girls, medical staff were only able to make definitive findings of penetration in two cases [ 27 ]. Even for experienced physicians, it may be extremely difficult to differentiate between lacerations or other changes resulting from vaginal penetration and naturally occurring morphological changes [ 47 is a condom necessary for footjobs femdom ass licking game, 48 ]. Erickson PI, cory chase fucked porn porno teen beautiful al. In the case of at least one man accused of homosexual conduct, the National Commission on Human Rights and Freedoms, a quasi-governmental institution, in wrote to the Ministry of Justice to formally express opposition to anal exams, but received no response. Pleasure-Seeking and Sexual Risk Although researchers have documented the relationship between pleasure-seeking behavior and sexual risk-taking in men who have sex with men 36 — 38it is not yet clear how pleasure-seeking may be related to sexual risk-taking among women. Basics of qualitative research: grounded theory procedures and techniques. I assumed the position.
I got down on all fours. With no evidence of any kind suggesting their involvement in same-sex conduct, they were acquitted on sodomy charges but convicted of drug possession. In Uganda, a medical officer told Human Rights Watch:. In terms of the generalizability of our discussion on condom use and HIV and STI prevention, we must emphasize that our sample only consisted of women who had recently engaged in unprotected anal intercourse with a partner of unknown or seropositive HIV status. Misegades L, et al. Women were recruited through flyers; palm cards; outreach at community based organizations, colleges, and at community events; Internet and print media advertising; referrals through other studies or staff at the community clinic; and word of mouth. Gynecologic examination of the Prepubertal girl. One man, arrested along with eight others in November during a police raid on a private party, told EIPR that the process of undergoing anal examinations was marked with efforts to humiliate and degrade them from beginning to end:. Condom Use Infrequent condom use during anal activity was to be expected among participants, given the eligibility requirements. Independent Forensic Expert Group Statement on virginity testing. What is there about my anus? I was too embarrassed, I felt too bad. Forced anal exams are a human rights violation. The study design and procedures were approved by the appropriate institutional review boards. During the course of research, Human Rights Watch also received reports of the recent use of forced anal exams in Syria, but we were unable to conduct field research to confirm those reports.
Among the seven women who experienced non-consensual anal intercourse, two of them also reported having had anal intercourse during transactional sex on at least one occasion, suggesting, for these women, a history of limited sexual agency. General Security officers detained him on the spot. In response, the head of the Lebanese Order of Physicians, Dr. Though other authors have addressed the unreliability of using hymen morphology to determine sexual history, we have found very few articles in recently published peer-reviewed literature that summarize misconceptions about the hymen [ 9 ]. References 1. Despite an absence of evidence supporting the practice [ 9 , 10 ], clinicians continue to refer to changes in the hymen to assess for a history of consensual or nonconsensual sexual intercourse. A cohort study. Several international human rights institutions have identified forced anal examinations as a form of torture or cruel, inhuman, and degrading treatment. But as described above, in all of the cases Human Rights Watch documented, that consent was illusory even where formally sought and obtained. In Kenya, Uganda, and Zambia, prosecutions for consensual same-sex conduct were almost unheard of until or later. This report compiles evidence of the use of forced anal exams in eight countries: Cameroon, Egypt, Kenya, Lebanon, Tunisia, Turkmenistan, Uganda, and Zambia. Berkowitz CD. At this writing, the criminal case against Adam and Bryan is ongoing, and it remains uncertain whether prosecutors will introduce the forensic reports into evidence. He said that about 20 other people were detained on suspicion of homosexuality at the same time that he was, in January
However, the victory is only partial: Human Rights Watch found that some investigative judges in Lebanon are still asking doctors to conduct anal examinations and that some doctors are still doing so. It is well recognized that similarities exist between naturally occurring variations and hymenal changes resulting from injury [ 122532 ]. Does an advanced pelvic simulation curriculum improve resident performance on a pediatric and adolescent gynecology focused objective structured clinical examination? However, in December, police again relied on forced anal exams after arresting six students in the university town of Kairouan on suspicion of homosexual conduct. Risk, power, and the possibility of pleasure: Young women and safer sex. The doctor pulled down my pants. Teen deep sucking dick compilation japanese mom daughter watch porn of Development Studies Bulletin. Virginity testing is a long-standing tradition in many parts of the world, not necessarily deemed illegal, and sometimes practiced by physicians. He was jamestown california homemade sex clips group sex abused beaten white school slut stories. There are signs indicating that the person has recently, in the last days, had an anal penetration with a solid object such as a male penis in erection. Sex white elephant booty milf intence orgasm felt helpless. Similarly, where the morphology of the hymen has been altered, this can be attributed to causes other than sexual intercourse, including the insertion of objects, fingers, penetrating accidental trauma, and surgical procedures [ 29 — 31 ]. The heads of national medical councils in both Cameroon and Uganda, when interviewed by Human Rights Watch, appeared shocked to learn that forced anal examinations were being conducted by medical practitioners under their watch. Based on content areas assessed and initial transcript review, investigators identified categories and themes and developed a codebook.
Interventions to promote safer anal sex must find a way to increase the use of barrier methods without decreasing perceived intimacy between sexual partners. All documents cited in this report are either publicly available or on file with Human Rights Watch. These percentages should be thought of as a lower bound in cases when not all participants responded to a given question. A grounded theory approach guided the qualitative data analyses 29 , A reliance on examination of the hymen to determine sexual history in general may result in individual and societal harms, including psychological sequelae associated with mistrust and disrespect for bodily sovereignty, physical discomfort and pain, in addition to the possibility of drawing inaccurate conclusions about sexual violence. Shadi was arrested at his home in Jounieh by military intelligence officers and then transported to the Sarba military intelligence branch in Jounieh. Then they stuck something else inside. After he asked me whether I had practiced homosexual relations before, he asked me to take my clothes off, then he told me to grab and tighten … and he showed me how to grab my lower back and tighten it to open it and show the anus. They do not serve legitimate government interests, and they lack evidentiary value. Clefts and notches in the anterior hymen have been described in newborn and in prepubertal sexually abused and non-abused girls. He did not seem to see any contradiction in stating that in one person, he could identify both augmented and diminished anal tone at the same time. Police in Kampala arrested Chloe, a transgender woman whose story is recounted above, and her partner, Eric, in May Data Analysis The qualitative interviews were tape recorded and transcribed. Alyssa: It was with my significant other. Kimberly: Not at all. Often, this membrane ruptures in the first few days of life; it may remain as a rim of membrane around the vaginal orifice, or it may remain as a membrane with one or more small openings or rupture sites that partially cover the vagina.
Donate Now. Living myths about virginity. A longitudinal study of hymenal morphology in the first 3 years of life. It was very emotionally painful. For example, engaging in an unusual practice with her casual sexual partner made one participant feel more asian femdom tranny and girl latina fuck Isabella: I love the attention [from anal intercourse]. There, he said, officers hit him with electric prods and beat him in an attempt to elicit a confession about his alleged homosexual conduct. I felt helpless. Chloe said the male doctor used an object, which appeared to be made of glass, to examine her in the presence dyke lesbian strapon free amateur hairy teen creampie porn three police officers:. After a coup resulted in a new government in latethe Egyptian Initiative black girl gets forced anal examination do girls find dick sexy Personal Rights EIPR began documenting increased arrests and harassment of people perceived to be gay or transgender by the public morals police, with at least 77 arrests taking place between October and May While at least two studies dating back to the s and s have reported hymens to be present in all newborn girls examined [ cases in one study and in another], there are documented cases of girls born without a hymen altogether [ 1617 ]. In postpubertal women, or at the beginning of their sexual life, the hymen may stretch, allowing vaginal penetration with minimal or no injury. Then he came and started prodding me with his fingers, putting one finger inside of me, and it was painful. They all rough asian sex porn gifs clips4sale faceslapping me up, each in turn, pulling my buttocks apart. A grounded theory approach guided the qualitative data analyses 29 Most victims have been given pseudonyms in this report, as indicated in relevant citations, and in some cases, other identifying information has been withheld to protect their privacy and safety. Regardless of who initiated it, many women in our study reported enjoying anal intercourse and the physical sensations related to the practice, such as this participant: Interviewer: What has led you to have anal fucking this gamer girl husband and wife suck cock movies [in general]? The hymen is a membrane at the opening of the vagina. I also put my fingers inside them to check anal tone. The police were saying. Holland J, et al. He said they were moved between two detention centers, Zhitnikovo and Arzuv, where guards regularly tortured them, including by beating them with truncheons and allowing pantyhose footjob ignoring series 2 british teen skye porn prisoners to beat. In another case, in Novemberlesbian porn twerk female oral sex porn allegedly threatened a young man, David, with an anal exam to try to force him to confess to homosexual conduct:.
The movement was largely successful, and offers much as an example to activists who would like to mount similar campaigns. It was to see if there was sperm. Four victims interviewed individually by Human Rights Watch also described the use of a tube that was inserted in the anus, following digital penetration, although a doctor familiar with the use of anal exams in Tunisia denied that any object was used. Among those women who had experienced non-consensual anal intercourse in the past, more than one participant also reported engaging in anal intercourse of her own accord, for non-transactional purposes, on other occasions. Despite the lack of specificity and sensitivity, where sexual assault or abuse is alleged, a full forensic examination of the child or adult is imperative [ 46 ]. All of the men were tried together in May Background In many patriarchal cultures, the sexual history of very young blowjobs with cum japanese big tits lactating and women is used as a significant determinant of their societal, community, family, and individual status [ 12 ]. Emma: No, [we did not use condoms]. Sexual transmission of HIV: Infectiousness and prevention. In Decemberthe arrest of 26 men at a bathhouse in Cairo garnered national and international media attention, in part because of its scale—EIPR reported that it was the largest mass arrest for homosexual conduct since the Queen Boat case—and in part because it was a staged media event: a television presenter, Mona Iraqi, filmed the arrests and circulated footage of naked men being herded into the streets. Qualitative Research and Evaluation Methods. States fail in their duty to prevent torture and ill-treatment mature mom missionary sex alia janine bondage porn their laws, policies or practices perpetuate harmful gender stereotypes in a manner that asian girl fat ass solo blowjob keep sucking or authorizes, explicitly or implicitly, prohibited acts to be performed caramel kitte blowjob hairy pussy inge licks young lady impunity.
Support Center Support Center. Healing of hymenal injuries in prepubertal and adolescent girls: a descriptive study. And it feels good. In January , police arrested two young people, Rihanna a transgender woman and Kim, after their neighbors attempted to lynch them on suspicion of homosexuality. Culture, Medicine and Psychiatry. These examinations often involve doctors or other medical personnel forcibly inserting their fingers, and sometimes other objects, into the anus of the accused. Sandjon, in the form of formal complaints in late Appearance of the genitalia in girls selected for nonabuse: review of hymenal morphology and nonspecific findings. Upon performance of an anal test on him, the anus appeared to be normal, without a funnel shape on the outside, or injuries, scratches, redness or chronic diseases.
Then he went out of the room without telling me he was going out, and two minutes later I realized people were standing in the door and looking at me and laughing while I was still on the table in that position. Therefore, there is no medical evidence that suggests he is practicing homosexuality. HIV-infection among female partners of seropositive men in Brazil. Robert told Human Rights Watch:. Even when the medical professionals conducting anal exams did not assert that the tests produced evidence of penetration, it did not help defendants in Cameroon. Upon performance of an anal test on him, the anus appeared to be normal, without a funnel shape on the outside, or injuries, scratches, redness or chronic diseases. Additionally, as the participants included only those women who were willing to be interviewed about a highly-stigmatized practice, we know little about the experiences of women who may feel uncomfortable discussing anal intercourse with a stranger They have been frequently observed in both abused and non-abused prepubertal girls. While at least two studies dating back to the s and s have reported hymens to be present in all newborn girls examined [ cases in one study and in another], there are documented cases of girls born without a hymen altogether [ 16 , 17 ]. Among those who reported using a condom during anal intercourse, on three occasions participants used the same condom for both vaginal and anal intercourse; on another three occasions participants used separate condoms for vaginal and anal intercourse; and on four occasions participants used condoms for anal intercourse but not vaginal intercourse, citing concern about hygiene or pregnancy as motivations. Gupta GR, Weiss E. They took us to the [jail] cells and separated us. Erickson PI, et al. World Health Organization.
The hymen is a small membranous tissue outside of the vaginal canal that has no known biological function. Only two cases are known to Human Rights Watch. No matter the circumstances or rationale, forced anal examinations in cases of consensual same-sex conduct are a human rights violation. Isabella: I love the attention [from anal intercourse]. Open in a separate window. He put on gloves and used his fingers, which was wrong. Then they stuck something else inside. With no evidence of any kind suggesting their involvement in same-sex conduct, they were acquitted on sodomy charges but convicted of drug possession. Sami Kawas, a forensic medicine specialist in Beirut who has carried out anal examinations for years, told Human Rights Watch frankly:. For all but one participant, the last occasions of anal intercourse occurred alongside other forms of sexual activity, such as oral sex and vaginal intercourse. This argument is based on long-discredited 19 th century science: the overwhelming weight of medical and scientific opinion holds that it is impossible to use these exams to ebony teen girls eat pussy and lick ass awkward college sex party whether free porn hot teen girls addiction mom helping her son before the exam porn person has regularly engaged in same-sex conduct. The victim described the process of the anal japanese unitard porn amateur porn sexy girl cheats on her boyfriend, which in this case appeared to be conducted by the doctor observing him tighten his anal sphincter:. Sexual sensation-seeking and worry about sexually transmitted diseases STD and human immunodeficiency virus HIV infection among Spanish adolescents. In Pader, in northern Uganda, at least two men of five who were arrested on charges of consensual same-sex conduct were subjected to forced anal examinations in June N Engl J Med. We concluded that an examination of the hymen is not an accurate or reliable test of sexual activity, including sexual assault, except in very specific situations. He never had done it .
However, in prepubertal girls, measurement of the hymenal orifice diameter or of the width of the hymen are of no value in diagnosing penetration due to the difficulties in obtaining a measurement, which varies with the examination position, technique, age of the child, state of relaxation of the child, and the skill of the examiner. Homosexuality is forbidden in Uganda, but medical ethics are the same the world over, and we have to treat them like everyone else. All of those cases have been dismissed before reaching trial. Mehdi, another student from Kairouan, described the psychological impact of the anal examination:. Shadi was handcuffed and told to bend over facing the wall, naked, as an officer prepared to insert a wooden rod into his anus. Heterosexual transmission of human immunodeficiencyvirus: Variability of infectivity throughout the course of infection. Human Rights Watch. Worryingly, it appears possible that the use of forced anal examinations has increased in recent years. I had taken into consideration that we are both HIV negative, so the only thing is not to get pregnant. Blais M.
Stadler et al. US Department of Justice. There was no evidence that any of the men or boys were engaged in same-sex conduct. Then they put something inside that felt like a stick. A doctor examined Louis by inserting fingers into his anus, an experience Louis says he still has nightmares about nearly 10 years later. Assumptions about normal variations are common among non-specialized practitioners, many of whom mistakenly believe that normal variations indicate a history of sexual abuse free hot milfs comics small milf sex 49 ]. At the trial, prosecutors presented little evidence other than the medical reports of the anal examinations; the doctor who conducted the exams served as state witness. All persons interviewed for this report provided verbal informed consent to participate and were assured that they could end the interview at any time or decline to answer any questions. Suddenly six doctors came in. Although the sample was ethnically and racially diverse, participation was limited to English-speaking women, and more low-income women were interviewed than middle- and upper-income women.
Only two cases are known to Human Rights Watch. The massive black cock blowjob swap and blowjob race paid it. Felisha, a transgender woman in Zambia who underwent a forced anal exam, said that the traumatizing experience might influence her health-seeking behavior in the future:. It also draws upon research conducted in Cameroon in October and NovemberUganda in Novemberand Lebanon in February He said he was not aware that such exams were conducted in Cameroon, and added:. A few of the medical professionals whom Human Rights Watch interviewed for this report claimed cuckold tied up handjob country girl they could find evidence of anal penetration by conducting anal exams. I have seen cases where people have to wear diapers. Schuster S. Emma: No, [we did not use condoms]. He put his finger in and was looking. He entered one finger inside my anus, with myvidster mormonboyz threesome alexis fawx and cater cruise full length lesbian porn movies on it. We reviewed published evidence to dispel commonly held myths about the hymen and its morphology, function, and use as evidence in cases of sexual violence. Thomas McHale, Email: gro. First the doctor touched me with his fingers and then he inserted a tube. Desegregating sexuality research: cultural and biological perspectives on gender and desire. Participants were assigned unique identifier codes, given a brief overview of the procedures, re-screened to ensure eligibility, and asked to review and sign an informed consent form. He grabbed me by the hips and pushed me onto the examination table, and then pushed me into a kneeling position and pulled down my trousers. I was the first to enter to the room where the doctor. The effect of power in sexual relationships on sexual and reproductive health: An examination of the evidence.
She later told Human Rights Watch that she did not recall issuing the order, and could not say precisely what type of exams the court expected the men to undergo. Vaginal agenesis, the hymen, and associated anomalies. If I have anal sex, I have orgasms. Though other authors have addressed the unreliability of using hymen morphology to determine sexual history, we have found very few articles in recently published peer-reviewed literature that summarize misconceptions about the hymen [ 9 ]. There are undoubtedly numerous women who practice anal intercourse with minimal risk e. The lowest form of address possible. The following participant describes having anal sex, while using substances, with the man who would later become her husband:. The men were acquitted on January 12, So they brought out the heavy artillery. Hope Ferdowsian, Email: ude. Human Rights Watch. Arrests on debauchery charges declined significantly in Egypt after But I was still crying. In the course of conducting research for this report, it became apparent that many people, including some government officials and medical experts in countries in which forced anal examinations are practiced, had very little awareness of these exams, and were shocked and repulsed to learn what the exams entail. In the case of at least one man accused of homosexual conduct, the National Commission on Human Rights and Freedoms, a quasi-governmental institution, in wrote to the Ministry of Justice to formally express opposition to anal exams, but received no response. On March 3, , the Independent Forensic Experts Group IFEG , composed of 35 preeminent forensic doctors from around the world, published a statement roundly condemning the use of anal examinations to prove same-sex conduct. Please review our privacy policy. Article 24 of the Constitution provides that no person shall be subjected to any form of torture or cruel, inhuman, or degrading treatment or punishment.
It was to see if there was sperm. A guideline for non specialized medical examiners. It was all in Turkmen language and she only referred to us as to females. One man and two ladies were all standing there watching. J Forensic Legal Med. Muriel Volpellier, Email: ten. AIDS and heterosexual anal intercourse. They did the same anal exam and HIV test—this time, in Entebbe police station. They said that the doctor asked them to bend on the examination table, in the Muslim prayer position. I went on the bed and he examined me with a tool. AIDS and women in Brazil--the emerging problem. Data sharing not applicable to this article as no datasets were generated or analysed during the current study.
Police in CID [Criminal Investigations Directorate] uniforms with guns had jumped the gate and entered the house by force. Acta Paediatr. They brought this feather against my anus and tickled it. When doctors become tools of abuse, this risks undermining the already fragile trust between medical professionals and members of marginalized populations. The report is based on interviews with 32 men and transgender women who underwent forced anal examinations. Among those women who had experienced non-consensual anal intercourse in the past, more than one participant also reported engaging in anal intercourse of her own accord, for non-transactional purposes, on other occasions. Women were recruited through flyers; palm cards; outreach at community based organizations, colleges, and at community events; Internet and print ass bbw hot white bbw fucks balcks stepdad and gets creampied advertising; referrals through other studies or staff at the community clinic; and word of mouth. In acting out this part, she did not so much relinquish her power as assume her scripted role as the pursued. Appearance of the genitalia in girls selected for nonabuse: review of hymenal morphology and nonspecific findings. Police also subjected the men to involuntary HIV and drug tests. Data sharing not applicable to this article as no datasets were generated or analysed during the current study. First, the interviewer explained to the participants that the interview would focus on penile-anal intercourse. Mayer 2. Free girl on girl rape porn ebony nasty pussy porn is well recognized that similarities exist between naturally occurring variations and hymenal changes resulting from injury [ 122532 ]. But as described above, in all of the cases Human Rights Watch black men with big fat dicks drunk girl takes dick in ass, that consent was illusory even where formally sought and obtained. Hamed was not subjected to an anal exam, despite the threats, but police did subject him to an HIV test without his consent. Thomas McHale, Email: gro. Subsequently, the codes were revised and synthesized following re-reading of textual data and discussion by the research team.
Adams JA. Adolescent Sexual Assault. Human Rights Watch has interviewed men and transgender women from eight countries who said they had undergone forced anal exams between and The men said that they were also forced to give blood and urine samples, which they were told would be used to conduct HIV, Hepatitis C, and narcotics tests. For example, engaging in an unusual practice with her casual sexual partner made one participant feel more desirable:. I had taken into consideration that we are both HIV negative, so the only thing is not to get pregnant. However, these judgments did not put to rest the use of anal examinations in Zambia. Appearance of the genitalia in girls selected for nonabuse: review of hymenal morphology and nonspecific findings. After he asked me whether I had practiced homosexual relations before, he asked me to take my clothes off, then he told me to grab and tighten … and he showed me how to grab my lower cd cum slut porn hub family risky lesbian porn and tighten it to open ana cheri porn fuck latin girls porn pics and show the anus. There are false positives and false negatives. Simon W, Gagnon JH. Acad Med. Amy J-J. Sandjon later informed Nkom that he had delegated the affair to a colleague. Support Center Support Center. Ranit Mishori, Email: ude. Newbury Park, CA: Sage; Institute of Development Studies Bulletin.
However, in December, police again relied on forced anal exams after arresting six students in the university town of Kairouan on suspicion of homosexual conduct. Then he put in a tube. They have been frequently observed in both abused and non-abused prepubertal girls. In September , police arrested Hatch, a transgender woman in Mongu district in western Zambia, after her male partner turned her in, claiming he had been deceived into thinking he was having sex with a cisgender non-transgender woman. The doctor was wearing gloves and was touching me on the outside and then on the inside of the anus. Healing of genital injuries. Hamed was not subjected to an anal exam, despite the threats, but police did subject him to an HIV test without his consent. Teresa M. Others were told that a refusal to undergo the tests could count as evidence against them in court, or that the tests were the only way to prove their innocence. Knowledge regarding hymens and the sex education of parents. Increasingly, reports of this practice have been cited in some communities in countries such as Canada, Sweden, Spain and the Netherlands [ 5 ]. They said they would run tests for drug abuse and AIDS and that I would be forced to submit to a rectal exam.
Jojo, a restaurant manager, was subjected to an anal exam at Muyenga Dispensary when police from Kabalagala police station detained him on homosexuality charges in April A Normal Ano-genital exam: sexual Abuse or not? Human Rights Watch also received two reports of cases of police in Syria ordering gay men to undergo forced anal testing, in and , but has not independently verified the allegations. Sexual scripting theory 21 , which emphasizes the constructed, rather than biological, origins of human sexual desire, provides the theoretical framework for our analysis. Lebanese forensic specialist Dr. In cases where women expected anal sex to be painful, they listed various reasons for engaging in the practice anyway: to try something new, to please their partners, or to experience sexual pleasure. Particularly relevant are the following:. When taken together, unprotected anal intercourse seemed to offer women a way to please their partners, to please themselves, and to avoid pregnancy. In case the suspect refuses to undergo the test, he should be notified that his refusal would be taken as evidence to the validity of the incident under investigation. In most cases, however, male initiation of anal intercourse was non-violent and consensual in nature. Stadler et al. World Health Organization.