1. Department of Psychiatry, Psychosomatics and Psychotherapy, Centre of Mental Health, Julius-Maximilians-University, Wuerzburg, Germany
2. Max Planck Institute for Psychiatry, Munich, Germany
3. Institute for Clinical Epidemiology and Biometry, Julius-Maximilians-University, Wuerzburg, Germany
4. Clinical Trial Centre Wuerzburg, University Hospital Würzburg, Wuerzburg, Germany
5. Department of Psychiatry and Psychotherapy, University of Greifswald, Germany
6. Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Medical Faculty Mannheim, Mannheim, Germany
7. Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany
8. Institute of Social Medicine, Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Leipzig, Germany
9. Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, Germany
10. Leibniz-Institute for Research and Information in Education, University of Frankfurt
11. Institute of Psychology, Goethe University, Frankfurt am Main, Germany
12. Centre for Mind, Brain and Behavior, University of Marburg and Justus Liebig University Giessen, Germany
13. German Centre for Neurodegenerative Diseases (DZNE), Bonn, Germany
14. German Centre for Neurodegenerative Diseases (DZNE), Partner Site Rostock/Greifswald, Greifswald, Germany
15. Institute of Epidemiology & Social Medicine, University of Muenster, Germany.