1. Westfälische Wilhelms-Universität Münster, Institute of Inorganic and Analytical Chemistry, Corrensstr. 30, 48149 Münster, Germany
2. Westfälische-Wilhelms-Universität Münster, University Hospital, Department of Clinical Radiology, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
3. European Virtual Institute for Speciation Analysis (EVISA), Mendelstr. 11, 48149 Münster, Germany