1. Department of Orthopaedic Surgery, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia,
2. Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Switzerland,
3. Department of Radiology, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia
4. Faculty of Medicine, Dentistry and Health Sience, University of Western Australia, Perth, Australia