1 Department of Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, Norfolk, UK.
2 Department of Surgery, NNUH, Norwich, Norfolk, UK.
3 Princess Alexandra Hospital NHS Trust, Harlow, UK.
4 Department of Surgery, Poole Hospital, Poole, UK.
5 Department of Plastic Surgery, NNUH, Norwich, Norfolk, UK.
6 Department of Urology, NNUH, Norwich, Norfolk, UK.
7 Department of Colorectal Surgery, Champalimaud Clinical Foundation, European Academy of Robotic Colorectal Surgery (EARCS), Poole Hospital NHS Foundation Trust, Poole, UK.