1. Department of Orthopaedics, John Hunter Hospital, Newcastle, NSW, Australia
2. Department of Orthopaedics, Princess Alexandra Hospital, Woolloongabba, QLD, Australia
3. Department of Orthopaedics, Royal Brisbane and Women’s Hospital, Herston, QLD, Australia
4. Department of Orthopaedics, St George Hospital, Kogarah, NSW, Australia
5. University of Newcastle, Newcastle, NSW, Australia
6. Department of Traumatology, John Hunter Hospital, Newcastle, NSW, Australia