Associations between punitive policies and legal barriers to consensual same-sex sexual acts and HIV among gay men and other men who have sex with men in sub-Saharan Africa: a multicountry, respondent-driven sampling survey

Carrie Lyons, Jean Olivier Twahirwa Rwema, Keletso Makofane, Daouda Diouf, Iliassou Mfochive Njindam, Ibrahima Ba, Abo Kouamé, Ubald Tamoufé, Bai Cham, Mamadú Aliu Djaló, Evelyne-Patrice Obodou, Etienne Karita, Simplice Anato, Rebecca G. Nowak, Trevor A. Crowell, Sindy Matse, Séni Kouanda, Jean-Paul Enama, Matthew M. Kavanagh, Gregorio A. Millett, Chris Beyrer, Sarah M. Murray, Stefan Baral