1. University of Münster
2. Institute of Inorganic and Analytical Chemistry
3. 48149 Münster
4. Germany
5. NRW Graduate School of Chemistry
6. Charité-Universitätsmedizin
7. Institute for Vegetative Physiology
8. 10115 Berlin
9. Bayer Pharma AG
10. MR and CT Contrast Media Research
11. 13353 Berlin
12. University of Siegen
13. Department of Chemistry & Biology
14. 57076 Siegen