1. Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany
2. Institute for Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany
3. Metabolomics and Proteomics, Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), 85764 Neuherberg, Germany
4. Chair of Analytical Food Chemistry, TUM School of Life Science, Technical University of Munich, 85354 Freising-Weihenstephan, Germany