Petrut Gogalniceanu is a Specialist Registrar in General and Vascular Surgery in the London Postgraduate School of Surgery and an Honorary Clinical Lecturer at University College London. James Pegrum is an Orthopaedic Registrar in Trauma and Orthopaedic Surgery in the Oxford Deanery, and an Honorary Clinical Lecturer at Queen Mary, University of London Sports and Exercise Department. William Lynn is a Specialist Registrar in General Surgery in the London Postgraduate School of Surgery.