The CAPSID Clinical Trial Group Alphabetical order Institute for Clinical Transfusion Medicine and Thomas Appl, Marianne Holl, Bernd Jahrsdörfer, Sixten Immunogenetics Ulm, German Red Cross Blood Transfusion Körper, Ramin Lotfi, Markus Rojewski, Hubert Service Baden-Württemberg-Hessen and University Hospital Ulm and Institute of Transfusion Medicine, University of Schrezenmeier Ulm. Department of Anaesthesiology and Intensive Care Bettina Jungwirth, Manfred Weiss Medicine, University Hospital Ulm, Ulm University, Ulm, Germany Department of Nephrology and Medical Intensive Care, Lucas Ernst, Jan-Matthias Kruse, Daniel Zickler, Charité - Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany Department of Anaesthesiology and Intensive Care Tilo Koch, Thomas Wiesmann, Hinnerk Wulf Medicine, Phillips-University Marburg, Marburg, Germany Clinic of Anaesthesiology, Intensive Care Medicine and Pain Elisabeth Adam, Kai Zacharowski, Sebastian Zinn Therapy, University Hospital Frankfurt, Frankfurt, Germany Institute of Virology, Charité- University Medicine Berlin, Victor Corman, Christian Drosten, Tatjana Schwarz corporate member of Free University Berlin, Humboldt- Universität zu Berlin, and Berlin Institute of Health and German Centre for Infection Research, Berlin, Germany Division of Infectious Diseases, University Hospital and Beate Grüner Medical Center Ulm, Ulm, Germany Department of Anesthesiology and Critical Care Medicine, Andreas Güldner, Peter Spieth Carl Gustav Carus University Hospital, Technische Universität Dresden, Dresden, Germany Experimental Transfusion Medicine, Technical University of Torsten Tonn Dresden, German Red Cross Blood Transfusion Service Nord-Ost gGmbH Dresden, Dresden, Germany Department of Internal Medicine V – Pneumology, Robert Bals, Guy Danziger, Philipp M. Lepper Allergology, Intensive Care Medicine, Saarland University Hospital and Saarland University, Homburg, Germany Institute for Clinical Hemostaseology and Transfusion Hermann Eichler, Jan Pilch Medicine Saarland University Hospital, Homburg, Germany Department of Internal Medicine III, Hospital of Karlsruhe, Martin Bentz, Mark Ringhoffer Karlsruhe, Germany Department of Gastroenterology, Hepatology, Pneumology Gregor Paul and Infectious Diseases, Klinikum Stuttgart, Kriegsbergstraße 60, 70174 Stuttgart, Germany Clinic of Hematology, Oncology and Palliative Care Klinikum Dennis Hahn Stuttgart, Stuttgart, Germany Clinic of Anesthesiology and Intensive Care Medicine Johannes Kalbhenn, Julian Knörlein University Medical Center of Freiburg, Germany Medical Clinic I, Klinikum Landshut, Landshut, Germany Christian Bogner, Matthias Dollinger Department of Anesthesiology and Intensive Care Medicine, Stefanie Prohaska, Peter Rosenberger University Hospital Tübingen, Tübingen, Germany Institute of Clinical and Experimental Transfusion Medicine, Tamam Bakchoul University Hospital Tübingen, Tübingen, Germany Clinic for Anesthesiology and Surgical Intensive Care Thomas Kirschning, Jörg Krebs Medicine, University of Mannheim, Mannheim, Germany Institute of Immunology and Transfusion Medicine, Andreas Greinacher, Thomas Thiele University Hospital Greifswald, Greifswald, Germany Institute of Epidemiology and Medical Biometry, Ulm Benjamin Mayer University, Ulm, Germany Institute of Transfusion Medicine and Immunology, German Harald Klüter, Patrick Wuchter, Red Cross Blood Transfusion Service Baden-Württemberg- Hessen, Medical Faculty of Medicine Mannheim, Heidelberg, University Mannheim, Germany Institute of Transfusion Medicine and Immunohematology, Veronika Brixner, Kay Hourfar, Michael Schmidt, Erhard German Red Cross Blood Transfusion Service Baden- Seifried Württemberg – Hessen, Frankfurt, Germany .