1. Junior Clinical Fellow, Department of Department of Trauma and Orthopaedics, St George's Hospital, London
2. Orthopaedic Registrar, Joint Reconstruction Unit, Southland Teaching Hospital, Southern District Health Board, Invercargill, New Zealand
3. Consultant Orthopaedic Surgeon and Senior Clinical Lecturer, Joint Reconstruction Unit, Southland Teaching Hospital, Southern District Health Board, Invercargill, New Zealand