1 1Department of Surgery, University of Melbourne, Melbourne, Australia.
2 4Monash Institute for Health and Clinical Education, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria 3168 Australia.
3 2Chameleon Simulation Centre, School of Medicine and Public Health, Faculty of Health and Medicine, Newcastle University, Newcastle, Australia.
4 3Graduate Programs in Health Professions Education, Department of Medicine, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, USA.