[1
]From the Warwick Clinical Trials Unit (G.D.P., C.J., C.S., S.R., J.L., S.P., S.G.,
R.L.) and Warwick Medical School (A.S., N.S.), University of Warwick, Coventry, University
Hospitals Birmingham (G.D.P.) and the Cancer Research U.K. Clinical Trials Unit, University
of Birmingham (S.G.), Birmingham, South Central Ambulance Service NHS Foundation Trust,
Otterbourne (C.D.D., H.P., J.J.M.B.), Southampton Respiratory Biomedical Research
Unit, National Institute for Health Research, Southampton (C.D.D.),...