Centre for Evidence-Based Practice (CEBaP), Belgian Red Cross, Mechelen, Belgium. European Blood Alliance (EBA), Amsterdam, The Netherlands. Finnish Red Cross Blood Service, Helsinki, Finland. German Red Cross Blood Transfusion Service, Frankfurt/Main, Germany. Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium. Canadian Blood Services, Ottawa, ON, Canada. Societe Francaise de Transfusion Sanguine (SFTS), Paris, France. Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Frankfurt/Main, Germany. Etablissement Francais du Sang (EFS), Saint-Denis, France. International Society of Blood Transfusion (ISBT), Amsterdam, The Netherlands. Transfusion Research Unit, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia. Belgian Red Cross, Mechelen, Belgium.