[1] Univ Sydney, Fac Med & Hlth, Sch Hlth Sci, Sydney, NSW, Australia
[2] Heart Lung & Circulat, Sydney, NSW, Australia
[3] Austin & St Vincents Hosp, Melbourne, Vic, Australia
[4] Univ Melbourne, Melbourne, Vic, Australia
[5] Deakin Univ, Geelong, Vic, Australia
[6] Deakin Univ, Melbourne, Vic, Australia
[7] James Cook Univ, Townsville, Qld, Australia
[8] James Cook Univ, Cairns, Qld, Australia
[9] Univ Illinois, Urbana, IL USA
[10] Univ Sydney, Royal North Shore Hosp, Dept Cardiol, Sydney, NSW, Australia
[11] Univ Sydney, Sydney, NSW, Australia
[12] Westmead Hosp, Dept Cardiol, Sydney, NSW, Australia
[13] Blacktown Hosp, Dept Cardiol, Sydney, NSW, Australia
[14] Western Sydney Univ, Sydney, NSW, Australia
[15] Univ Wollongong, Sch Nursing, Wollongong, NSW, Australia