Social contexts as mediator of risk behaviors in Rwandan men who have sex with men (MSM): Implications for HIV and STI transmission. oleh Adebola Adedimeji, Jean d'Amour Sinayobye, Brenda Asiimwe-Kateera, Junaid Chaudhry, Lydia Buzinge, Andre Gitembagara, Gad Murenzi, Pacifique Mugenzi, Viraj V Patel, Philip E Castle, Leon Mutesa, Joel Palefsky, Kathryn M Anastos