1. 1Department of Biostatistics and Epidemiology, School of Public Health, University of Rwanda, Kigali, Rwanda
2. 2African Research and Community Health Initiative, Kigali, Rwanda
3. University of Rwanda
4. 3University of Pretoria, Pretoria, South Africa
5. 4Rwanda Biomedical Centre, Kigali, Rwanda
6. 5University of California, Los Angeles (UCLA), United States of America