1. Department of Chemistry and Pharmacy; Physical Chemistry I and ICMM; Friedrich-Alexander University of Erlangen; Egerlandstr. 3 D-91058 Erlangen Germany
2. Department of Material Science; Institute of Polymer Materials; Friedrich-Alexander University of Erlangen; Martensstr. 7 D-91058 Erlangen Germany
3. Department of Chemistry and Pharmacy; Inorganic and General Chemistry; Friedrich-Alexander University of Erlangen; Egerlandstr. 1 D-91058 Erlangen Germany
4. Department of Condensed Matter Physics; Friedrich-Alexander University of Erlangen; Staudtstr. 3 D-91058 Erlangen Germany
5. Department of Radiation Oncology; Friedrich-Alexander University of Erlangen; Universitätsstr. 27 D-91054 Erlangen Germany