1. Cardiothoracic and Vascular Intensive Care Unit Auckland City Hospital Auckland New Zealand
2. Medical Research Institute of New Zealand Wellington New Zealand
3. Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine Monash University Melbourne Victoria Australia
4. New Zealand Blood Service Auckland New Zealand
5. School of Nursing The University of Auckland Auckland New Zealand
6. Greenlane Department of Cardiothoracic Anaesthesia Auckland City Hospital Auckland New Zealand
7. Faculty of Medicine University of Queensland, Royal Brisbane and Women's Hospital Herston Queensland Australia
8. Australian Red Cross Lifeblood Alexandria New South Wales Australia
9. Joint Health Command Australian Defence Force Canberra Australian Capital Territory Australia