1. Department of Psychology, University of Turku, Finland
2. Department of Public Health, University of Turku, Finland
3. Turku Clinical Research Centre, Turku University Hospital, Finland
4. Department of Public Health, University of Helsinki, Finland
5. Faculty of Medicine and Health Technology, Tampere University, Finland
6. School of Health Sciences, University of Skövde, Sweden
7. Department of Public Health and Centre for Population Health Research, University of Turku, Finland
8. Faculty of Social Sciences, Tampere University, Finland
9. Finnish Institute of Occupational Health, Helsinki, Finland