1. Occupational and Environmental Medicine, Uppsala University Hospital, Uppsala, Sweden
2. Institute of the History, Philosophy and Ethics of Medicine, Ulm University, Ulm, Germany
3. Department of Occupational Health Science, University of Wuppertal, Wuppertal, Germany
4. Psychology, Umeå University, Umeå, Sweden
5. Stress Research Institute, Stockholm University, Stockholm, Sweden
6. Mid Sweden University, Sundsvall, Sweden
7. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
8. Centre for Occupational and Environmental Medicine, Stockholm County Council, Sweden
9. National Agency for Special Needs Education and Schools, Härnösand, Sweden