1. Research Unit of Biomedicine and Internal Medicine, Medical Research Center Oulu and Biocenter Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
2. Forensic Medicine Unit, Finnish Institute for Health and Welfare, Oulu, Finland
3. Department of Forensic Medicine, Research Unit of Internal Medicine, Medical Research Center Oulu, University of Oulu, Oulu, Finland
4. Department of Obstetrics and Gynecology, Research Unit of Clinical Medicine, Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland