1. Health Sciences Unit, Faculty of Social Sciences, Tampere University , Tampere , Finland
2. Gerontology Research Center, Tampere University , Tampere , Finland
3. Stress Research Institute, Department of Psychology, Stockholm University , Albanovägen 12, 114 19 Stockholm , Sweden
4. National Research Centre for the Working Environment , 2100 Copenhagen , Denmark
5. The National Institute of Public Health, University of Southern Denmark , Studiestræde 6, DK-1455 Copenhagen , Denmark
6. Department of Public Health and Department of Psychology, University of Copenhagen , Copenhagen , Denmark
7. Institute of Environmental Medicine, Karolinska Institutet , Stockholm , Sweden
8. Department of Public Health and Caring Sciences, Uppsala University , Uppsala , Sweden
9. Clinicum, Faculty of Medicine, University of Helsinki , Helsinki , Finland
10. UCL Brain Sciences, University College London , London , UK