1. Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, Sydney, Australia
2. South Western Sydney Clinical School, University of New South Wales, Sydney, Australia
3. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
4. Monash Department of Clinical Epidemiology, Cabrini Institute, Melbourne, Australia
5. School of Population Health, University of New South Wales, Sydney, Australia
6. Department of Orthopedics, John Hunter Hospital, Newcastle, Australia
7. Department of Orthopedics, University of Newcastle, Newcastle, Australia
8. Department of Orthopedics, Canberra Hospital, Canberra, Australia
9. Ingham Institute for Applied Medical Research, Sydney, Australia
10. School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
11. Department of Orthopedics, Fiona Stanley Hospital, Perth, Australia
12. Department of Orthopedics, St George and Sutherland Hospitals, Sydney, Australia
13. St George and Sutherland Clinical School, University of New South Wales, Sydney, Australia
14. Department of Orthopedics, Wellington Hospital, Wellington, New Zealand
15. Department of Orthopedics, Concord Hospital, Sydney, Australia
16. Department of Orthopedics, Nambour Hospital and Sunshine Coast University Hospital, Nambour, Australia
17. Department of Orthopedics, Westmead Hospital, Sydney, Australia
18. Department of Orthopedics, Campbelltown Hospital, Sydney, Australia
19. Department of Orthopedics, Mackay Base Hospital, Mackay, Australia
20. Department of Orthopedics, Western Health, Melbourne, Australia
21. Department of Orthopedics, University Hospital Geelong, Barwon Health, Geelong, Australia
22. Barwon Centre for Orthopaedic Research and Education, School of Medicine, Deakin University, Geelong, Australia
23. Launceston Hospital, Launceston, Australia
24. Gosford and Wyong Hospitals, Gosford, Australia
25. Prince of Wales Hospital, Sydney, Australia
26. St Vincent’s Hospital, Sydney, Australia
27. Royal Melbourne Hospital, Melbourne, Australia
28. Liverpool Hospital, Sydney, Australia