[1] Sigmund Freud University,Faculty of Psychology
[2] Sigmund Freud University,Faculty of Psychotherapy Science
[3] Heinrich-Heine-University of Düsseldorf,Centre for Health and Society, Institute of Occupational Medicine & Social Medicine Medical Faculty
[4] University Hospital Ulm,Department of Psychosomatic Medicine and Psychotherapy
[5] University of Bremen,Department of Social Epidemiology, Institute of Public Health and Nursing Research, Health Sciences Bremen