1. From the Medical Research Council Clinical Trials Unit, University College London (A.T., G.H.W., L.C., K.L., M.J.T., D.M.G., A.M.C.), and the Department of Infectious Diseases, Imperial College London (J.A.S.), London, the Centre for Health Economics, University of York, York (J.L.-K.), and the Department of Paediatrics, Birmingham Chest Clinic and Heartlands Hospital, University Hospitals Birmingham, Birmingham (S.B.W.) — all in the United Kingdom; Makerere University–Johns Hopkins University Research...