1. Department of Pharmacy, Pharmaceutical Biology, Ludwig-Maximilians-University, Munich, Germany
2. Department of Gene Vectors, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany
3. German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
4. Department of Oncology/Hematology, Dr. von Haunersches Kinderspital, Munich, Germany
5. Kekulé-Institut für Organische Chemie und Biochemie der Universität Bonn, Bonn, Germany
6. Helmholtz Institute for Pharmaceutical Research Saarland, Helmholtz Centre for Infection Research and Department of Pharmaceutical Biotechnology, Saarland University, Saarbrücken, Germany