1. Laboratory of Biochemistry, Institute for Interfacial Engineering, University of Stuttgart, D-70569 Stuttgart, Germany and Gaubius Laboratory TNO-PG, NL-2301 CE Leiden, The Neitherlands.
2. Merck KGaA, Preclinical Research Oncology, D-64287 Darmstadt, Germany and Institute of Cell Biology and Immunology, University of Stuttgart, D-70569 Stuttgart, Germany.
3. Laboratory of Biochemistry, Institute for Interfacial Engineering, University of Stuttgart, D-70569 Stuttgart, Germany.
4. Institute of Cell Biology and Immunology, University of Stuttgart, D-70569 Stuttgart, Germany.
5. Laboratory of Biochemistry, Institute for Interfacial Engineering, University of Stuttgart, D-70569 Stuttgart, Germany and Department of Biochemistry and Molecular Cell Biology, Institute of Biochemistry, University Hospital of the RWTH Aachen, D-52057 Aachen, Germany.