1. Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
2. Institute of Human Genetic, University of Bonn, Bonn, Germany
3. German Center for Neurodegenerative Disorders (DZNE, Bonn), Bonn, Germany
4. Department of Primary Medical Care, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
5. Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
6. Institute of General Practice, Medical Faculty of the Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
7. Institute of Social Medicine, Occupational Health and Public Health, University of Leipzig, Leipzig, Germany
8. LIFE – Leipzig Research Center for Civilization Diseases, University of Leipzig, Leipzig, Germany
9. Department of Psychiatry, Technische Universität München, Klinikum rechts der Isar, Munich, Germany
10. Institute of Biometrics, Hannover Medical School, Hannover, Germany
11. Department of Medical Sociology and Health Economics, Hamburg Center for Health Economics, University Medical Center Hamburg, Hamburg, Germany