1. Department of OrthopaedicCanberra Hospital Canberra Australian Capital Territory Australia
2. Trauma and Orthopaedic Research UnitCanberra Hospital Canberra Australian Capital Territory Australia
3. Department of OrthopaedicChristchurch Hospital Christchurch New Zealand
4. Department of Orthopaedic Surgery and Musculoskeletal MedicineChristchurch School of Medicine, University of Otago Christchurch New Zealand
5. Department of Orthopaedic SurgeryPalmerston North Hospital Palmerston North New Zealand