1. Institute of Clinical Molecular Biology and Tumor Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany.
2. Neurobiology of Selenium, Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany.
3. Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Berlin, Germany.