1. Clinical Nurse Consultant in Intensive Care at Liverpool Health Service, New South Wales, Sydney, Australia
2. Professor and Chairman, Department of Anaesthetics and Intensive Care at Liverpool Health Service, New South Wales, Sydney, Australia
3. Associate Professor of Epidemiology and Public Health at Liverpool Health Service, New South Wales, Sydney, Australia
4. Staff Specialist in Anaesthetics at Liverpool Health Service, New South Wales, Sydney, Australia
5. Research Assistant at Liverpool Health Service, New South Wales, Sydney, Australia