1. From the School of Medicine, The University of Queensland, Brisbane, Queensland (J.P.F., D.L.W., D.G.P., E.E., J.B., J.F.F.); Critical Care Research Group (CCRG), The University of Queensland, The Prince Charles Hospital, Brisbane, Queensland (J.P.F., D.G.P., J.B., J.F.F.); Department of Cardiology, The Prince Charles Hospital, Brisbane, Queensland (D.L.W., D.G.P.); The Heart and Lung Institute, The University of Queensland, The Prince Charles Hospital, Brisbane (J.P.F., D.L.W., D.G.P., J.F.F.);...