1. College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda;
2. Department of Pediatrics, University Teaching Hospital of Butare, Butare, Rwanda;
3. Department of Pediatrics, University Teaching Hospital of Kigali, Kigali, Rwanda;
4. Harmony Clinic, Kigali, Rwanda;
5. School of Medicine, Yale University, New Haven, CT, USA;
6. Rwanda Human Resources for Health (HRH) Program, Kigali, Rwanda;
7. Department of Pediatrics, Middlesex Hospital, Middletown, CT, USA