1 School of Health Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia. Electronic address: julie.redfern@sydney.edu.au.
3 Austin & St Vincent's Hospitals, Melbourne, and University of Melbourne, Vic, Australia; Deakin University, Geelong & Melbourne, Vic, Australia; James Cook University, Townsville & Cairns, Qld, Australia; University of Illinois, Urbana-Champaign, IL, USA.
4 Department of Cardiology, Royal North Shore Hospital and University of Sydney, Sydney, NSW, Australia.
5 School of Health Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
6 Heart, Lung and Circulation, Sydney, NSW, Australia; Department of Cardiology, Westmead Hospital, and University of Sydney, Sydney, NSW, Australia; Department of Cardiology, Blacktown Hospital, and Western Sydney University, Sydney, NSW, Australia.
7 School of Nursing, University of Wollongong, Wollongong, NSW, Australia.