1. College of Health, Medicine and Wellbeing, School of Medicine and Health Sciences, University of Newcastle, Callaghan, NSW, Australia
2. Department of Surgery, John Hunter Hospital, Newcastle, NSW, Australia
3. Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
4. Department of Consultation-Liaison Psychiatry, Calvary Mater Newcastle, Waratah, NSW, Australia