1. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
2. Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital and Academy, Gothenburg, Sweden
3. Occupational and Environmental Medicine, Department of Public Health and Clinical Medicine, and
4. Department of Biobank Research, Umeå University, Umeå, Sweden
5. Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, University Hospital, Lund, Sweden