1. University of Münster
2. Institute of Inorganic and Analytical Chemistry
3. 48149 Münster
4. Germany
5. Technische Universität Berlin
6. Department of Food Chemistry and Toxicology
7. 13355 Berlin
8. European Virtual Institute for Speciation Analysis (EVISA)
9. August Storck KG
10. R&D Chocolates
11. 13403 Berlin