1. Einstein-Rwanda Research and Capacity Building Program, Research for Development and Rwanda Military Hospital , Kigali
2. Department of Biostatistics, New York Medical College , Valhalla
3. Department of Pathology, King Faisal Hospital , Kigali , Rwanda
4. Department of Epidemiology and Population Health, Albert Einstein College of Medicine
5. Department of Internal Medicine, Montefiore Medical Center , Bronx, New York
6. Centre for Human Genetics, College of Medicine and Health Sciences, University of Rwanda , Kigali
7. Department of Medicine, University of California San Francisco