Affiliation: | 1. Institute for Clinical Immunology and Transfusion Medicine, Justus‐Liebig University, , Giessen, Germany;2. Institute for Immunology und Transfusion Medicine, Ernst‐Moritz‐Arndt University, , Greifswald, Germany;3. the Platelet Immunology Unit and the Immunology Transfusion Unit, INTS, , Paris, France;4. Institute for Transfusion Medicine Dessau, Red Cross Blood Transfusion Service, , Dessau, Germany |