1. From the King’s College London (C.D.A.W., N.C.S.), Division of Health and Social Care, London, UK; the Chronic Disease Research Centre/Tropical Medicine Research Institute and School of Clinical Medicine & Research (D.O.C.C., G.H.E.G., A.J.H., H.S.F.), University of the West Indies, Barbados; Guy’s and St. Thomas’ Foundation Trust (A.G.R.), St. Thomas’ Hospital, London, UK; Tropical Medicine Research Institute and School of Clinical Medicine & Research (R.J.W.), University of the West Indies...