1. School of Psychology University of Kent Canterbury UK
2. Department of Psychology University of Warwick Coventry UK
3. Division of Mental Health and Wellbeing Warwick Medical School University of Warwick Coventry UK
4. Department of Psychology & Logopedics University of Helsinki Helsinki Finland
5. Psychology/ Welfare Sciences Faculty of Social Sciences Tampere University Finland
6. National Institute for Health and Welfare Helsinki Finland
7. Medical Research Center Oulu PEDEGO Research Unit Oulu University Hospital and University of Oulu Oulu Finland
8. Pediatric Research Center Children’s Hospital University of Helsinki and Helsinki University Hospital Helsinki Finland
9. Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
10. Institute of Labour Economics Leibniz University of Hannover Hannover Germany
11. DIW Berlin Berlin Germany
12. IZA Bonn Bonn Germany
13. Department of Psychology University of Bielefeld Bielefeld Germany