[1] Univ Sydney, Royal Prince Alfred Hosp, Dept Cardiothorac Surg, 50 Missenden Rd, Sydney, NSW 2050, Australia
[2] Concord Repatriat Gen Hosp, Dept Cardiothorac Surg, Sydney, NSW, Australia
[3] Collaborat Res Grp, Dept Cardiothorac Surg, Sydney, NSW, Australia
[4] Lifehouse Canc Hosp, Dept Cardiothorac Surg, Sydney, NSW, Australia
[5] Macquarie Univ, Fac Med & Hlth Sci, Sydney, NSW, Australia
[6] Concord Repatriat Gen Hosp, Dept Resp Med, Sydney, NSW, Australia
[7] Concord Repatriat Gen Hosp, Dept Med Oncol, Sydney, NSW, Australia