1. Renal and Transplant Directorate, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London W120HS, UK
2. Department of Clinical Surgery, University of Edinburgh, Edinburgh EH8 9YL, UK
3. Gynaecologic Oncology, Department of Surgery and Cancer, Imperial College London, London SW7 2AZ, UK
4. Charité University Hospital of Berlin, Berlin 10117, Germany
5. Faculty of Health Sciences and Wellbeing, University of Sunderland, Sunderland SR1 3SD, UK
6. Directorate of General Surgery, Bariatric Surgical Unit, Sunderland Royal Hospital, Sunderland SR4 7TP, UK
7. Faculty of Medical Leadership and Management, London WC1R 4SG, UK
8. Academy of Medical Sciences, London W1B 1QH, UK
9. Royal College of Radiologists, London WC2A 3JW, UK
10. Nottingham University Medical School, Queen’s Medical Centre, Nottingham NG7 2UH, UK
11. Eastbourne District General Hospital, Eastbourne BN21 2UD, UK
12. Association of Surgeons in Training, London WC2A3PE, UK
13. Department of Vascular and General Surgery, Croydon University Hospital, Croydon, Surrey CR7 7YE, UK
14. Department of Surgery and Cancer, Imperial College London, London SW7 2AZ, UK