1. From the Ministry of Health, Democratic Republic of Congo (O.I.K.); the World Health Organization Regional Office for Africa, Djoue, Brazzaville, Republic of the Congo (M.M.); the Graduate Institute of International and Development Studies (V.-K.N.), and the Office of the Director-General, World Health Organization (T.A.G.) — both in Geneva; the Icahn School of Medicine at Mount Sinai, New York (A.S.); and Medstar Georgetown University Hospital, Washington, DC (D.L.).