1. Auckland City Hospital, 58991, 2 Park Road, Grafton 1023, Auckland, New Zealand, 1023;
2. Monash University, School of Public Health and Preventive Medicine, Melbourne, Victoria, Australia;
3. The Alfred, Intensive Care, Commercial Road, Melbourne, Victoria, Australia, 3004, ,
4. Monash University, ANZIC-RC, Level 6, The Alfred Centre, 99 Commercial Road, Melbourne, Victoria, Australia, 3004, , ;
5. University of Cambridge, Head, Division of Anaesthesia, Box 93, Addenbrooke's Hospital, Hills Road, Cambridge, Cambs, United Kingdom of Great Britain and Northern Ireland, CB2 2QQ, , ;
6. Department of Intensive Care, Western Health, Melbourne, Victoria, Australia, Gordon Street, Footscray, Victoria, Australia, 3011, ;
7. Monash University School of Public Health and Preventive Medicine, 161667, ANZIC-RC, Melbourne, Victoria, Australia, ;
8. Rotterdam, Netherlands;
9. The Alfred, Department of Intensive Care and Hyperbaric Medicine, Commercial Road, Prahran, Melbourne, Victoria, Australia, 3145;
10. Erasmus MC, 6993, Stroke Center, Department of Neurosurgery, 's-Gravendijkwal 230, Rotterdam, Zuid-Holland, Netherlands, 3000 CA;
11. Monash University, 2541, Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Level 3, 553 St Kilda Road, Melbourne, Victoria, Australia, 3004, ;