1. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany, University Medicine of the Johannes Gutenberg University, III. Medical Clinic, Langenbeckstr. 1, 55131 Mainz, Germany, Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, Department of Transfusion Medicine, University of Ulm, Helmholtzstr. 10, 89081 Ulm, Germany, and Institute of Organic Chemistry III−Macromolecular Chemistry and Organic Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany