1. Institute of Social Medicine, Occupational Health and Public Health; Public Health Research Unit; University of Leipzig; Leipzig; Germany
2. Central Institute of Mental Health; Mannheim; Germany
3. Max Planck Institute for Human Cognitive and Brain Sciences and Day Clinic of Cognitive Neurology; University of Leipzig; Leipzig; Germany
4. Department of Medical Sociology and Health Economics; University Medical Center Hamburg-Eppendorf; Hamburg; Germany
5. Institute of Social Medicine, Occupational Health and Public Health; University of Leipzig; Leipzig; Germany