1. Department of Public Health and Welfare, Finnish Institute for Health and Welfare , Helsinki, Finland
2. Department of Public Health and Caring Sciences, Uppsala University , Uppsala, Sweden
3. Faculty of Information Technology and Communication Sciences/Statistics, Tampere University , Tampere, Finland
4. School of Psychology, The University of Adelaide , Adelaide, SA, Australia
5. Department of Psychology, Stockholm University , Stockholm, Sweden
6. Faculty of Social Sciences, Tampere University , Tampere, Finland
7. Institute of Environmental Medicine, Unit of Occupational Medicine, Karolinska Institutet Stockholm , Sweden
8. Department of Epidemiology and Global Health, Umeå University , Umeå, Sweden