1. From the Institute of Head and Neck Studies and Education, University of Birmingham (H.M.), and University Hospitals Birmingham (A.G.J.H.), Birmingham, Paul Strickland Scanner Centre, Mount Vernon Hospital, Northwood (W.-L.W.), Warwick Clinical Trials Unit, University of Warwick, Coventry (C.C.M., J.K.R., J.D.), Newcastle University, Newcastle upon Tyne (Max Robinson), Royal Marsden Hospital, London (C.N.), Cardiff University, Cardiff (N.P.), Bristol Haematology and Oncology Centre, Bristol (H.A.-B.),...