1. Faculty of Medicine University of Queensland Brisbane Queensland Australia
2. Department of Surgery John Flynn Private Hospital Queensland Gold Coast Australia
3. Department of Surgery The Tweed Hospital New South Wales Tweed Heads Australia
4. Faculty of Health Sciences & Medicine Bond University Gold Coast Queensland Australia
5. School of Medicine Griffith University Gold Coast Queensland Australia
6. Department of Surgical and Perioperative Services Royal Brisbane and Women's Hospital Queensland Brisbane Australia
7. Faculty of Medicine and Health University of Sydney and Surgical Outcomes Research Centre (SOuRCe) Sydney New South Wales Australia
8. Department of Surgery St Vincent's Private Hospital Northside Queensland Brisbane Australia