1 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA.
2 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA; Department of Neurosurgery, Duke University Hospital, Durham, NC, USA.
3 Beth Israel Deaconess Medical Center, Boston, MA, USA.
4 School of Medicine, University of Global Health Equity, Kigali, Rwanda.
5 School of Medicine, University of Global Health Equity, Kigali, Rwanda; Heilbrunn Department of Population and Family Health, Mailman School of Public Health, Columbia University, New York, USA.