1. From the Department of Epidemiology and Public Health (T.M.) and the Nottingham Respiratory Research Unit (T.H.), National Institute for Health Research (NIHR) Biomedical Research Centre, and the Nottingham Clinical Trials Unit (A.S., L.D., L.B., R.H., E.M.), University of Nottingham, Nottingham, the Liverpool School of Tropical Medicine and Aintree University Hospital, Liverpool (K.M.), the University of Leicester (A.W.) and the Leicester NIHR Biomedical Research Centre, University of Leicester (C.B.),...