1. Krefting Research Centre, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden;
2. Department of Internal Medicine, Central County Hospital of Halmstad, Halmstad, Sweden;
3. Department of Public Health and Clinical Medicine, Division of Occupational and Environmental Medicine/the OLIN unit, Umeå University, Umeå, Sweden;
4. Department of Care Science, Faculty of Health and Society, Malmö University, Malmö, Sweden;
5. Department of Public Health and Clinical Medicine, Division of Medicine/the OLIN unit, Umeå University, Umeå, Sweden