1. Department of Intensive Care Copenhagen University Hospital Rigshospitalet Denmark
2. Department of Cardiothoracic Anaesthesia and Intensive Care Copenhagen University Hospital Rigshospitalet Denmark
3. Centre for Research in Intensive Care (CRIC) Copenhagen Denmark
4. Copenhagen Trial Unit Centre for Clinical Intervention Research Copenhagen Denmark
5. Department of Biostatistics University of Copenhagen Copenhagen Denmark
6. Center for Statistical Science Peking University Beijing China
7. Department of Transfusion Medicine Copenhagen University Hospital Rigshospitalet Denmark
8. Department of Intensive Care University of New South Wales, Liverpool Hospital Sydney Australia
9. Department of Clinical Immunology Næstved Hospital Næstved Denmark
10. Department of Anesthesiology, Intensive Care and Pain Medicine University of Helsinki and Helsinki University Hospital Helsinki Finland
11. Finnish Red Cross Blood Service Helsinki Finland