[1] Royal Prince Alfred Hosp, Dept Cardiothorac Surg, Sydney, NSW, Australia
[2] Univ Sydney, Med Sch, Sydney, NSW, Australia
[3] Univ Dept Cardiac Surg, Leipzig Heart Ctr, Leipzig, Germany
[4] Royal Prince Alfred Hosp, Inst Acad Surg, Sydney, NSW, Australia
[5] Baird Inst Appl Heart & Lung Surg Res, Sydney, NSW, Australia
[6] Collaborat Res Grp CORE, Sydney, NSW, Australia