Affiliation: | a University of Tampere, Department of Public Health, P.O. Box 607, FIN-33101, Tampere, Finland b National Institute of Occupational Health, S-17184, Solna, Sweden c Karolinska Hospital and Institute, Departments of Epidemiology / IMM, Occupational Health, Orthopaedics, Rheumatology, and Rehabilitation and Physical Medicine, Stockholm, Sweden d National Institute of Occupational Health, Divisions of Applied Work Physiology, Occupational Health, Psychophysiology, and Work and Environmental Psychology, Solna, Sweden e National Institute of Psychosociological Factors and Health, Stockholm, Sweden |