1 Department of Nursing. Melbourne School of Health Sciences, Faculty of Medicine, Dentistry and Health Sciences, 161 Barry Street, The University of Melbourne, Victoria 3010, Australia; Melbourne Health, The Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3052, Australia; Department of Critical Care, The University of Melbourne, Victoria 3010, Australia. Electronic address: yen.yap@unimelb.edu.au.
2 Department of Nursing. Melbourne School of Health Sciences, Faculty of Medicine, Dentistry and Health Sciences, 161 Barry Street, The University of Melbourne, Victoria 3010, Australia; Melbourne Health, The Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3052, Australia; Department of Critical Care, The University of Melbourne, Victoria 3010, Australia. Electronic address: daniel.c@unimelb.edu.au.
3 Melbourne Health, The Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3052, Australia; Department of Critical Care, The University of Melbourne, Victoria 3010, Australia; Department of Medical Education, The University of Melbourne, Victoria 3010, Australia. Electronic address: jknott@unimelb.edu.au.
4 Department of Nursing. Melbourne School of Health Sciences, Faculty of Medicine, Dentistry and Health Sciences, 161 Barry Street, The University of Melbourne, Victoria 3010, Australia. Electronic address: Erin.Myers@svha.org.au.
5 Department of Nursing. Melbourne School of Health Sciences, Faculty of Medicine, Dentistry and Health Sciences, 161 Barry Street, The University of Melbourne, Victoria 3010, Australia; Melbourne Health, The Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3052, Australia; Department of Critical Care, The University of Melbourne, Victoria 3010, Australia. Electronic address: gerdtzmf@unimelb.edu.au.