1. Department of Congenital and Pediatric Cardiology, University Hospital Antwerp, Antwerp, Belgium
2. Department of Congenital and Pediatric Cardiology, University of Ghent, Ghent, Belgium
3. Department of Cardiology, University Hospital Antwerp, Antwerp, Belgium
4. Department of Pediatric Endocrinology, University Hospital Antwerp, Antwerp, Belgium