1. From the Academic Respiratory Unit, University of Bristol (R.B., S.P.W., A.C.B., N.A.M.), and North Bristol NHS Trust (R.B., E.K.K., A.J.M., S.P.W., A.C.B., S.S., L.J.S., N.J.Z.-E., J.E.H., N.A.M.), Bristol, the Pragmatic Clinical Trials Unit, Queen Mary University of London (B.C.K.), Guy’s and St. Thomas’ NHS Foundation Trust (L.A., A.W.), King’s College School of Medicine, King’s College University (L.A.), and the Institute for Global Health, University College London (R.F.M.), London, Great Western...