[1] University Medical Center Hamburg-Eppendorf,Department of Health Economics and Health Services Research, Hamburg Center for Health Economics
[2] University Medical Center Hamburg-Eppendorf,Department of Primary Medical Care, Center for Psychosocial Medicine
[3] Hannover Medical School,Institute of General Practice
[4] Heidelberg University,Central Institute of Mental Health, Medical Faculty Mannheim
[5] Heinrich-Heine-University Düsseldorf,Institute of General Practice, Medical Faculty
[6] University of Leipzig,Institute of Social Medicine, Occupational Health and Public Health
[7] Technical University of Munich,Department of Psychiatry
[8] University of Bonn,Department of Psychiatry
[9] University of Cologne,Department of Psychiatry and Psychotherapy
[10] German Center for Neurodegenerative Diseases (DZNE),undefined