1. Menzies School of Health Research, Charles Darwin University, Darwin, NT 0810, Australia
2. Department of Haematology, Royal Darwin Hospital, Darwin, NT 0810, Australia
3. College of Medicine and Public Health, Flinders University, Adelaide, SA 5042, Australia
4. School of Public Health and Social Work, Queensland University of Technology, Brisbane, QLD 4000, Australia
5. Melbourne Medical School, University of Melbourne, Melbourne, VIC 3010, Australia
6. Intensive Care Department, Alice Springs Hospital, Alice Springs, NT 0870, Australia
7. Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
8. Intensive Care Unit, Royal Darwin Hospital, Darwin, NT 0810, Australia