1. Occupational and Environmental Medicine, Department of Health, Medicine and Caring Sciences, Linköping University, 581 85 Linköping, Sweden
2. Laboratory Medicine, Linköping University Hospital, 581 85 Linköping, Sweden
3. Research & Development, Cytiva, 753 23 Uppsala, Sweden
4. Obstetrics and Gynaecology in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, 581 85 Linköping, Sweden