1. German Red Cross Blood Transfusion Service and Goethe University Clinics, Frankfurt/Main, Germany
2. Centre for Evidence-Based Practice (CEBaP), Belgian Red Cross, Mechelen, Belgium
3. Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt/Main, Germany
4. European Blood Alliance (EBA), Amsterdam, the Netherlands
5. Departments of Intensive Care and of Anesthesia, University Hospital of Brest, Brest, France
6. Robert-Koch-Institut (RKI), Berlin, Germany
7. Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
8. Paul-Ehrlich-Institut (PEI), Langen, Germany
9. Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium
10. Canadian Blood Services, Ottawa, Ontario, Canada
11. Departments of Medicine, Surgery, Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
12. Société Française de Transfusion Sanguine (SFTS), Paris, France
13. Intensive Care, Western Health, Melbourne, Australia
14. Fairview Health Services, Minneapolis, Minnesota
15. OneBlood, Orlando, Florida
16. Department of Cardiothoracic Intensive Care Medicine, Duke University Medical Centre, Durham, North Carolina
17. National Health Service Blood and Transplant and University of Oxford, Oxford, United Kingdom
18. St. Michael’s Hospital and University of Toronto, Toronto, Canada
19. Sanquin Blood Bank, Leiden and Department of Haematology, Groene Hart Hospital, Gouda, the Netherlands
20. International Society of Blood Transfusion (ISBT), Amsterdam, the Netherlands
21. Etablissement Français du Sang (EFS), Saint-Denis, France
22. Department of Clinical Epidemiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
23. Departments of Anesthesiology and Bioengineering, University of Pittsburgh Medical Centre, Pittsburgh, Pennsylvania
24. Transfusion Research Unit, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia