1. Centre of Expertise for Work OrganizationsFinnish Institute of Occupational HealthFinland
2. Department of PsychiatryUniversity of HelsinkiFinland
3. Department of Health and Functional CapacityNational Public Health InstituteFinland
4. Department of Mental Health and Alcohol ResearchFinland
5. Department of PsychiatryUniversity of Helsinki and Helsinki University Central HospitalFinland