Fort Apache Reservation, Fort Apache, Arizona, United States
Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States
Rakai Health Sciences Program, Kalisizo, Rakai District, Uganda
Hospital Luis Calvo Mackenna, Santiago, Chile
Georgetown University Pediatric Clinic, Washington, D.C., District of Columbia, United States
Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
Banner Alzheimer's Institute, Phoenix, Arizona, United States
University of Arkansas, Little Rock, Arkansas, United States
University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States
Johns Hopkins School of Public Health, Baltimore, Maryland, United States
Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States
MUHAS, Iringa, Tanzania
Johns Hopkins University, Baltimore, Maryland, United States