Clive R. G. Quick is a Consultant General and Vascular Surgeon, Hinchingbrooke Hospital, Huntingdon; Associate Lecturer in Surgery, University of Cambridge; Former Examiner in Basic Sciences and Clinical Surgery for FRCS and MRCS(England). Suzanne Biers is a Urology Consultant at Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK. Tan Arulampalam is Clinical Director, ICENI Centre for Surgical Training, Research and Education, Colchester, UK, Turner Road. Philip J. Deakin is a General Medical Practitioner, Sheffield, UK