1. Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ, D-04317 Leipzig, Germany
2. Department of Bioanalytical Ecotoxicology, Helmholtz Centre for Environmental Research - UFZ, D-04317 Leipzig, Germany
3. Institute of Analytical Chemistry, University of Leipzig, D-04317 Leipzig, Germany
4. Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander Universität Erlangen-Nürnberg, D-91054 Erlangen, Germany