1. Women's Health and Perinatology Research Group; Department of Clinical Medicine; Faculty of Health Sciences; UiT - The Arctic University of Norway; Tromsø Norway
2. Department of Obstetrics and Gynecology; University Hospital of Northern Norway; Tromsø Norway
3. Department of Clinical Sciences, Intervention and Technology; Karolinska Institute; Stockholm Sweden
4. Cardiovascular Center; Fudan University Children's Hospital; Shanghai China
5. Clinical Department of Obstetrics and Gynecology; Chair of Women's Health; School of Health Sciences; Medical University of Silesia; Katowice Poland
6. Perinatal Cardiology; All Children's Hospital; Pediatrix Medical Group; St Petersburg Florida USA