1. Department of Transfusion Medicine and Hemostaseology, University Hospital Erlangen, Erlangen, Germany
2. Institute for Clinical Immunology and Transfusion Medicine, Justus-Liebig-University, Giessen, Germany
3. Department of Dermatology and Allergology, Experimental Dermatology and Allergy Research Group, Justus-Liebig-University, Giessen, Germany
4. Department of Hematology, Oncology, Immunology, Philipps-University, Marburg, Germany