1. Department of Public Health and Clinical Medicine; Division of Occupational and Environmental Medicine; The OLIN Unit; Umeå University; Umeå Sweden
2. Division of Medicine; The OLIN Unit; Umeå University; Umeå Sweden
3. Department of Women's and Children's Health; Karolinska Institutet; Stockholm Sweden
4. Department of Health Sciences; Division of Nursing; Luleå University of Technology; Luleå Sweden
5. Krefting Research Centre; Institute of Medicine; University of Gothenburg; Gothenburg Sweden