1. Department of Pediatrics, Paediatric Cardiology; Ghent University Hospital; Ghent Belgium
2. Department of Pediatrics; Ghent University Hospital; Ghent Belgium
3. Department of Obstetrics and Gynecology, Prenatal Diagnosis Centre; Ghent University Hospital; Ghent Belgium
4. Department of Cardiac Surgery; Ghent University Hospital; Ghent Belgium
5. Department of Public Health; Ghent University; Ghent Belgium