1. Department of Neuropsychopharmacology, Polish Academy of Sciences, Kraków, Poland,
2. Physical Biochemistry, Department of Chemistry, Technische Universität Darmstadt, Darmstadt, Germany,
3. Institute of Clinical Biochemistry and Pathobiochemistry, German Diabetes Center at the Heinrich-Heine-University Düsseldorf, Leibniz Center for Diabetes Research, Düsseldorf, Germany,
4. German Center for Diabetes Research (DZD), München, Neuherberg, Germany, and
5. Clinical Neurobiology, Charité-Universitätsmedizin, Berlin, Germany