1. Graduate students at the time the research was conducted, Social and Behavioral Interventions Program, Department of International Health; Johns Hopkins Bloomberg School of Public Health; 615 North Wolfe Street Baltimore Maryland 21205
2. Medical student, School of Medicine and Dentistry; University of Rochester; Rochester NY
3. Professor and Director, Social and Behavioral Interventions Program, Department of International Health; Johns Hopkins Bloomberg School of Public Health; 615 North Wolfe Street Baltimore Maryland 21205