1. Peterborough and Stamford Hospitals NHS Foundation Trust; Orthopaedic Department; Peterborough District Hospital Thorpe Road Peterborough Cambridgeshire UK PE3 6DA
2. University of Otago; Preventive & Social Medicine; Dunedin School of Medicine PO Box 913 Dunedin New Zealand 9001
3. Peterborough NHS Trust; Department of Trauma and Orthopaedic Surgery; Peterborough UK
4. Peterborough Hospital; Department of Orthopaedic Surgery; Peterborough UK