George JM Hourston MA (Cantab) MB BChir PGCert (Med Ed) MRCS (Eng) Core Surgical Trainee, Trauma and Orthopaedic Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norfolk, UK Hadyn KN Kankam MA (Cantab) MB BChir MRCS (Eng) NIHR Academic Clinical Fellow in Plastic Surgery, Clinical Research Fellow Institute of Inflammation and Ageing, University of Birmingham, UK