1. Specialty Registrar in Trauma and Orthopaedics, Department of Orthopaedic Surgery, Wrightington Hospital, Wigan WN6 9EP
2. Consultant Trauma and Orthopaedic Surgeon, Department of Orthopaedic Surgery, Leighton Hospital, Crewe
3. Honorary Professor Edge Hill University, and Consultant Hip and Knee Orthopaedic Surgeon, Department of Orthopaedic Surgery, Wrightington and Lancashire Teaching Hospitals, Wigan