Affiliation: | 1. Department of Cardiothoracic Surgery, The Prince Charles Hospital, Brisbane, Qld, Australia;2. Redland Bay Hospital, Brisbane, Qld, Australia;3. Department of Cardiothoracic Surgery, Greenslopes Private Hospital, Department of Cardiothoracic Surgery, Mater Private Hospital, Brisbane, Qld, Australia;4. Department of Cardiothoracic Surgery, Princess Alexandra Hospital, Brisbane, Qld, Australia |