Affiliation: | 1.Department of Ear, Nose and Throat, Royal United Hospital, Combe Park, Bath, BA1 3NG, UK ;2.Department of ENT, Southmead Hospital, Bristol, BS10 5NB, UK ;3.Applied Statistics Group, University of West of England, Bristol, BS16 1QY, UK ;4.Division of Otolaryngology-Head and Neck Surgery, University of British Columbia, Vancouver, Canada ;5.ENT Department, North Bristol Hospitals, NHS Trust, Bristol, UK ; |