N Engl J Med 2018 03 3;378(10):902-910. Epub 2018 Mar 3.
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.), Leicester, Asthma UK, London (S.W.), the Respiratory Medicine Unit and Oxford Respiratory Biomedical Research Centre, Nuffield Department of Medicine, University of Oxford, Oxford (I.P.), the Centre of Academic Primary Care (D.P.) and the Institute of Medical Sciences (G.D.), University of Aberdeen, Aberdeen, the Primary Care and Population Science and NIHR Southampton Biomedical Research Centre, University of Southampton, Southampton (M.T.), and the Department of Respiratory Medicine, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne (B.H.) - all in the United Kingdom.