1. Department for Prenatal Medicine and Gynecologic Ultrasound, University Hospital Cologne, Köln, Germany
2. Department for Obstetrics and Prenatal Medicine, University Hospital Bonn, Germany
3. Department of Pediatric Cardiology, University Hospital Bonn, Germany
4. Department of Pediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München, Germany
5. Preventive and Rehabilitative Sports Medicine, Technische Universität München, Germany
6. Fetal Cardiology Unit, Ukrainian Children’s Hospital, Kyiv, UA, Kyiv, Ukraine
7. Obstetrics and Gynecology, University Hospital of Giessen and Marburg Campus Marburg, Germany
8. Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Germany