Factors associated with retention and adherence on Pre-Exposure Prophylaxis among men who have sex with men in Kigali, Rwanda - Sezi Mubezi; Samuel S. Malamba; Gallican N. Rwibasira; Jeanne Uwineza; Jean de Dieu Kayisinga; Eric Remera; Basile Ikuzo; Emah Ndengo; Nadege Umuhoza; Beata Sangwayire; Richard C. N. Mwesigwa; Caroline E. Stamatakis; et al. (PLOS Global Public Health)