[1] Univ Sydney, Westmead Hosp, Fac Med & Hlth, Westmead Appl Res Ctr, Westmead, NSW 2145, Australia
[2] Univ Sydney, Fac Med & Hlth, Westmead Appl Res Ctr, Sydney, Australia
[3] Monash Univ, Sch Clin Sci Monash Hlth, Melbourne, Australia
[4] Cabrini Hlth, Dept Cardiol, Melbourne, Australia
[5] Alfred Hosp, Dept Cardiol, Melbourne, Australia
[6] Univ Melbourne, Fac Med Educ, Melbourne, Australia
[7] Northern Hosp, Dept Med, Melbourne, Australia
[8] Stanford Univ, Sch Med, Dept Med Cardiovasc, Stanford, CA USA
[9] Westmead Hosp, Dept Cardiol, Sydney, Australia
[10] Monash Univ, Fac Med Nursing & Hlth Sci, Melbourne, Australia