1. Department of Statistics University of Botswana Gaborone Botswana
2. Botswana‐Harvard AIDS Institute Partnership Gaborone Botswana
3. Department of Epidemiology Harvard T. H. Chan School of Public Health Boston Massachusetts USA
4. Division of Population Sciences Dana‐Farber Cancer Institute Boston Massachusetts USA
5. Department of Health Behavior, Society and Policy, Rutgers School of Public Health Piscataway New Jersey USA
6. Department of Social and Behavioral Sciences Harvard T. H. Chan School of Public Health Boston Massachusetts USA
7. Department of Medicine Beth Israel Deaconess Medical Center Boston Massachusetts USA
8. Nuffield Department of Population Health Oxford University Oxford UK
9. Department of Medicine Harvard Medical School Boston Massachusetts USA
10. Department of Infectious Diseases Brigham and Women's Hospital Boston Massachusetts USA