1. Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
2. Department of Medicine and Community Care, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
3. Department of Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
4. Department of Medicine, Monash University, Melbourne, Victoria, Australia
5. Department of Anaesthesia and Pain Management, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
6. Department of Anesthesia and Perioperative Medicine, Monash Health, Melbourne, Victoria, Australia
7. Department of General Medicine, The University of Melbourne, Melbourne, Victoria, Australia
8. Department of Human Movement Sciences, @AgeAmsterdam, Amsterdam Movement Sciences, Vrije Universitet, Amsterdam, The Netherlands
9. Department of Medicine and Aged Care, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
10. Health Intelligence Unit, Melbourne Health, Melbourne, Victoria, Australia
11. Department of Medicine and Radiology, Melbourne Medical School, University of Melbourne, Melbourne, Victoria, Australia
12. Department of Nursing and Allied Health, Swinburne University of Technology, Hawthorn, Melbourne, Victoria, Australia
13. Department of Surgery, School of Medicine, University of Melbourne, Melbourne, Victoria, Australia
14. Clinical Research Institute, Westmead Private Hospital, Westmead, Sydney, New South Wales, Australia
15. Pain Management, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
16. Outcomes Research Consortium, The Cleveland Clinic, Cleveland, Ohio