1. Department for Organic Chemistry and Macromolecular Chemistry, Heinrich Heine University Duesseldorf, Universitaetsstraße 1, Duesseldorf 40225, Germany
2. Department for Molecular Biology II, Center of Medical Biotechnology (ZMB), University Duisburg-Essen, Universitaetsstrasse 5, Essen 45117, Germany
3. Inorganic Chemistry and Centre for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstrasse 5−7, Essen 45117, Germany
4. Institute of Organic Chemistry I, Faculty of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany
5. Structural and Medicinal Biochemistry, Center of Medical Biotechnology (ZMB), University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany
6. Department of Biomedicine, Aarhus University, Skou Building (1115), Høegh-Guldbergs Gade 10, DK-8000 Aarhus C, Denmark
7. Max-Delbrueck-Center for Molecular Medicine, 13125 Berlin, Germany