1. Institute of Transfusion Medicine and Immunology, Heidelberg University, Medical Faculty Mannheim, German Red Cross Blood Service of Baden-Württemberg – Hessen gGmbH, Mannheim, Germany
2. Department of Pediatric Hematology/Oncology/Hemostaseology, Children’s Hospital, Leipzig University, Leipzig, Germany
3. Transfusion Medicine, Medical Faculty Tübingen, Tübingen, Germany
4. Department of Pediatric Haemostaseology, Medical Faculty Carl Gustav Carus of Technical University Dresden, Dresden, Germany
5. Transfusion Medicine, Medical Faculty of Tübingen, Tübingen, Germany