1. Department of Public Health Sciences, Queens University, Kingston, ON, Canada
2. Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
3. Department of Medicine, Division of infectious Diseases, Queens University, Kingston, ON, Canada
4. Corporacion de Lucha contra el Sida, Cali, Colombia
5. Departamento de Ciencias Sociales y del Departamento de Salud Pública y Epidemiología de la Pontificia Universidad Javeriana Cali, Cali, Colombia
6. Professor Emeritus of Sociology, Sociology, Anthropology, and Criminology, University of Windsor, Windsor, ON, Canada
7. Department of Psychology, Ryerson University, Toronto, ON, Canada
8. CIHR Canadian HIV Trials Network, Vancouver, BC, Canada