1. Global Health Sciences, University of California San Francisco, San Francisco, CA, USA;
2. School of Public Health, Makerere University, Kampala, Uganda;
3. Department of Epidemiology, International Health, Health Behavior and Society, Johns Hopkins University, Baltimore, MD, USA;
4. Strategic Information, Centers for Disease Control and Prevention, Kampala, Uganda;
5. Division of Global HIV/AIDS, Centers for Disease Control and Prevention, Atlanta, GA, USA