1. From Tufts University School of Medicine, Boston, MA (A.N.G.); Hatter Institute for Cardiovascular Research in Africa, Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa (L.H.O.); Center for Cardiovascular Health Services Research, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center and Tufts University School of Medicine, Boston, MA (J.R.B., H.P.S.); Department of Medicine, Brigham and Women’s Hospital, Harvard Medical...