1. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
2. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet and Centre for Epidemiology and Community Medicine, Stockholm County Council, Stockholm, Sweden
3. Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
4. Department of Medicine, Karolinska Institutet, Stockholm, Sweden
5. Centre for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden