Affiliations

• ¹ Division of Surgery and Interventional Science, University College London, London, UK; UCL Cancer Institute, University College London, London, UK; ENT Department, Barts Health NHS Trust, London, UK.
• ² UCL Cancer Institute, University College London, London, UK.
• ³ CRUK and UCL Cancer Trials Centre, University College London, London, UK.
• ⁴ Division of Surgery and Interventional Science, University College London, London, UK.
• ⁵ Norwich Medical School, University of East Anglia, Norwich, UK.
• ⁶ ENT Department, Wrightington, Wigan and Leigh NHS Foundation Trust, Wigan, UK.
• ⁷ ENT Department, Guy's Hospital, Guy's and St. Thomas' NHS Foundation Trust, London, UK.
• ⁸ Department of Otolaryngology, Manchester University NHS Foundation Trust, Manchester, UK.
• ⁹ Centre for Obesity Research, University College London, London, UK; Bariatric Centre for Weight Management and Metabolic Surgery, University College London Hospitals NHS Trust, London, UK; National Institute for Health Research, UCLH Biomedical Research Centre, London, UK.
• ¹⁰ Department of Otolaryngology, University of San Diego School of Medicine, San Diego, USA.
• ¹¹ National Institute for Health Research, UCLH Biomedical Research Centre, London, UK; Barts Heart Centre, St. Bartholomew's Hospital, London, UK; Institute of Cardiovascular Sciences, University College London, UK.
• ¹² The Norfolk Smell and Taste Clinic, Norfolk and Waveney ENT Service, UK.
• ¹³ Fifth Sense, UK.
• ¹⁴ Medical University of South Carolina, Charleston, SC, USA.
• ¹⁵ Norwich Medical School, University of East Anglia, Norwich, UK; The Norfolk Smell and Taste Clinic, Norfolk and Waveney ENT Service, UK.
• ¹⁶ Royal National ENT Hospital, University College London Hospitals NHS Trust, London, UK.