1. Department of Clinical Immunology and Transfusion Medicine Karolinska University Hospital Stockholm Sweden
2. Division of Immunology Department of CLINTEC Karolinska Institute Stockholm Sweden
3. Pregnancy Care & Delivery Karolinska University Hospital Stockholm Sweden
4. Center for Fetal Medicine Department of Obstetrics and Gynecology Karolinska University Hospital Stockholm Sweden
5. Clinical Epidemiology Division Department of Medicine Solna Karolinska Institute Stockholm Sweden
6. Division of Obstet & Gynecol Department of CLINTEC Karolinska Institute Stockholm Sweden