Brazilian Ministry of Health, through the Secretariat for Health Surveillance and the Department of Prevention, Surveillance and Control of Sexually Transmitted Infections, HIV/AIDS and Viral Hepatitis (Projeto # 914BRZ1138, BRAZIL, AIDS-SUS); Tulane University, Global Community Health and Behavioral Sciences. New Orleans. LA, United States / Universidade Federal do Cear?. Faculdade de Medicina. Sa?de Comunit?r...