1. Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr.3, D-91058 Erlangen, Germany
2. Institute of Anatomy and Cell Biology, Chair of Anatomy I, Friedrich-Alexander University Erlangen-Nuremberg, Krankenhausstr. 9, D-91054 Erlangen, Germany
3. Department of Radiation Oncology, Friedrich-Alexander University of Erlangen-Nuremberg, Universitätsstr. 27, D-91054 Erlangen, Germany