1 Critical Care Research Group, Adult Intensive Care Services, The Prince Charles Hospital and The University of Queensland, Brisbane, Queensland, Australia. Electronic address: [email protected].
2 Critical Care Research Group, Adult Intensive Care Services, The Prince Charles Hospital and The University of Queensland, Brisbane, Queensland, Australia.
3 Queensland Advanced Heart Failure and Cardiac Transplant Unit, Department of Echocardiography, The Prince Charles Hospital School of Medicine, University of Queensland.