1. Department of Global Health and Social Medicine and Harvard Medical School, Boston, Massachusetts, USA.
2. Program in Global Surgery and Social Change, Harvard Medical School, Boston, Massachusetts, USA.
3. Partners in Health/Inshuti Mu Buzima, Kigali, Rwanda.
4. Department of Surgery and Brigham and Women's Hospital, Boston, Massachusetts, USA.
5. Department of Epidemiology, Technical University Munich, Munich, Germany.
6. Rwanda Ministry of Health, Kigali, Rwanda.
7. Rwanda Ministry of Health, Kirehe, Rwanda.
8. Rwanda Surgical Society, Kigali, Rwanda.
9. Heart and Lung Institute, Sacred Heart Medical Center, Spokane, Washington, USA.
10. Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, Massachusetts, USA.