1. Institute of Technical Chemistry, Leibniz University Hannover, Callinstrasse 5, 30167 Hannover, Germany
2. Institute for Transplant Immunology, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
3. Department of Nephrology, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany
4. Institute for Transfusion Medicine, Hannover Medical School, Germany