1. GA Jelinek (corresponding author): Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne; Emergency Practice Innovation Centre, St. Vincent's Hospital, Victoria Street, Fitzroy, VIC 3054, Australia;
2. M Boughey, J Phillip, H Lane: Centre for Palliative Care, University of Melbourne; and St. Vincent's Hospital, Melbourne, Australia;
3. CH Marck: Emergency Practice Innovation Centre, St. Vincent's Hospital, Melbourne, Australia;
4. TJ Weiland: Emergency Practice Innovation Centre, St. Vincent's Hospital;
5. Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia
6. J Weil: St. Vincent's Hospital, Melbourne, Australia;