1 Institute of Public Health, Charité - Universitätsmedizin Berlin, Berlin, Germany.
2 Institute of Gerontological Health Services and Nursing Research, Ravensburg-Weingarten University of Applied Sciences, Weingarten, Germany.
3 Research Group Work and Health, Department of Psychology, University of Lübeck, Lübeck, Germany.
4 Department of Work and Organizational Psychology, International Institute of Management and Economic Education, Europa-Universität Flensburg, Flensburg, Germany.