1. Department of Hematology J.W. Goethe University Frankfurt/Main Frankfurt Germany
2. Institute for Transfusion Medicine and Immunohematology J.W. Goethe University Frankfurt/Main Red Cross Blood Donor Service Baden‐Württemberg‐Hessen Dresden Germany
3. Georg‐Speyer‐Haus Institute for Tumor Biology and Experimental Therapy Frankfurt Germany
4. Nantkwest Inc & Tufts University Medical School Boston MA USA
5. Institute for Transfusion Medicine Dresden German Red Cross Blood Donation Service North/East Medical Faculty Carl Gustav Carus TU Dresden Dresden Germany