1. Department of Pharmacology, Biocenter, Goethe-University, Frankfurt/M, Germany;
2. Neurobiological laboratory, Department of Psychiatry, Basel, Switzerland;
3. Department of Nutritional Sciences, Justus-Liebig University, Giessen, Germany;
4. Department of Pharmacology and Toxicology, Free University, Berlin, Germany;
5. Department of Molecular and Clinical Pharmacy, University Erlangen, Erlangen, Germany;
6. McGill Center for Studies in Aging, Montreal, Canada;
7. Dr.Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany;
8. Alexianer Hospital, Clinic of Geriatric Psychiatry, Krefeld, Germany;
9. Department of Psychiatry, Medical University, Vienna, Austria;
10. Department of Psychiatry, Ludwig-Maximilian University, Munich, Germany