Footnotes

• Collaborators The guideline working group included (in alphabetical order): Abu S. Abdul-Quader, Centers for Disease Control and Prevention, USA office; Iyanthi Abeyewickreme, WHO—Regional Office for South-East Asia; Soas Aids, the Netherlands; Andrew Anglemyer, University of California at San Francisco, USA; Sam Avrett, UNDP; George Ayala, Global Forum on MSM and HIV, USA; Hana Azman, University of California at San Francisco, USA; George Azzi, HELEM, Lebanon; Rachel Baggaley, WHO—Department of HIV/AIDS; Andrew Ball, WHO—Department of HIV/AIDS; Michael Bartos, UNAIDS; Chris Beyrer, Johns Hopkins School of Public Health, USA; Diane Binson, University of California at San Francisco, USA; Naomi Bock, Centers for Disease Control and Prevention, USA office; Carlos F. Caceres, Universidad Peruana Cayetano Heredia, Peru; Nicolas Clark, WHO—Department of Mental Health and Substance Abuse; Ton Coenen, the Netherlands; Smiljka de Lussigny, WHO—Regional Office for Europe; Kim Dickson, WHO—Department of HIV/AIDS; Martin Donoghoe, WHO—Regional Office for Europe; Andrew Doupe, WHO—Department of HIV/AIDS; Anna Dovbakh, International HIV/AIDS Alliance, Ukraine; Mostafa El Nakib, Minsitry of Pulbic Health, Lebanon; Aids Fonds, the Netherlands; Antonio Gerbase, WHO—Department of HIV/AIDS; Andrew Grulich, University of New South Wales, Australia; Steven Gu, Asia Pacific Coalition on Male Sexual Health, Thailand; John Hassell, UNAIDS; Amy Herick, University of Pittsburgh, USA; Joumana Hermez, WHO—Regional Office for the Eastern Mediterranean; Gottfried Himschall, WHO—Department of HIV/AIDS; Tara Horvath, University of California at San Francisco, USA; Victoria Indrawati, Ministry of Health, Indonesia; Xu Jie, National Center for AIDS Prevention and Control, China; Siroat Jittjang, Family Health International, Thailand; Kamolset Kanggarnrua, Rainbow Sky Association, Thailand; JoAnne Keatley, Center of Excellence for Transgender Health, USA; Caitlin Kennedy, Johns Hopkins School of Public Health, USA; Selma Khamassi, WHO—Department of Safe Injection Global Network; Shivananda Khan, The Naz Foundation Trust, India; Jeffrey Klausner, Centers for Disease Control and Prevention, South Africa office; Els Klinkert, UNAIDS; Kelika A. Konda, Universidad Peruana Cayetano Heredia, Peru; Segundo Leon, Universidad Peruana Cayetano Heredia, Peru; Yng-Ru Lo, WHO—Department of HIV/AIDS; Geoffrey Manthey, UNAIDS; Rafael Mazin, WHO—Regional Office for the Americas; Han Mengjie, National Center for AIDS Prevention and Control, China; Michael Meulbroek, HISPANOSIDA, Spain; Francis Ndowa, WHO—Department of Reproductive Health and Research; Innocent Ntaganira WHO—Regional Office for Africa; Kevin O'Reily, WHO—Department of HIV/AIDS; Robert Oelrichs, World Bank; Pick Billy, USAID/PEPFAR; Maria Cristina Pimenta Oliviera, Brazilian Association for AIDS, Brazil; Mary Poynten, University of New South Wales, Australia; Nunung Pryatani, Ministry of Health, Indonesia; Ferran Pujol, HISPANOSIDA, Spain; Jirair Ratevosian, The Foundation for AIDS Research, USA; Kevin Rebe, Health4Men, South Africa; Gary Reid, WHO—Regional Office for South-East Asia; Michelle Rodolph, WHO—Department of HIV/AIDS; Keith Sabin, WHO—Department of HIV/AIDS; Julia Samuelson, WHO—Department of HIV/AIDS; Alfanso Silva Santisteban, Universidad Peruana Cayetano Heredia, Peru; Andy Seale, The Global Fund to Fight AIDS, Tuberculosis and Malaria, Switzerland; Eddy Segura, Universidad Peruana Cayetano Heredia, Peru; Edmund Settle, UNDP; Charles Shey, Wiysonge, University of Cape Town, South Africa; Jason Sigurdson, UNAIDS; Mariangela Simao, UNAIDS; Nira Singh, AIDS Task Force of Fiji, Fiji; Cynthia Souza, WHO—Department of Research Policy and Cooperation; Susan Timberlake, UNAIDS; Igor Toskin, WHO—Department of Reproductive Health and Research; Cheikh Traore, UNDP; Frits van Griensven, Centers for Disease Control and Prevention, Thailand office; Annette Verster, WHO—Department of HIV/AIDS; Marco Vitoria, WHO—Department of HIV/AIDS; Chongyi Wei, University of Pittsburgh, USA; William Woods, University of California at San Francisco, USA; Wei Xiaoyu, Centers for Disease Control and Prevention, China office; Pengfei Zhao, WHO—Regional Office for Western Pacific; Li Zhijun, Centers for Disease Control and Prevention, China office; Jose M. Zuniga, International Association of Physicians in AIDS Care, USA.

• Contributors Each of the main authors contributed in at least one of the following domains per ICMJE guidelines (http://www.icmje.org/ethical_1author.html): (1) conception and design, acquisition of data or analysis and interpretation of data: JKC and JDK; (2) drafting the article or revising it critically for important intellectual content: JKC and JDK; and (3) final approval of the version to be published: CFC, YRL, JDK and JKC.

• Competing Interest None.

• Provenance and peer review Commissioned; internally peer reviewed.