1. Ariadne Labs, Brigham and Women’s Hospital, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
2. Lancet Commission on High Quality Health Systems, Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
3. Division of General Internal Medicine & Primary Care, Brigham and Women’s Hospital, Boston, Massachusetts
4. Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
5. Center for Surgery and Public Health, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
6. Department of Medical Social Sciences, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
7. Policy Planning Monitoring and Evaluation Division, Ghana Health Service, Accra, Ghana
8. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts