1. Department of Cardiothoracic Surgery, University Hospital Leiden, Leiden, Netherlands
2. Division of Cardiovascular Surgery, The Hospital for Sick Children, Toronto, Canada
3. Department of Perinatal Cardiology and Congenital Anomalies, Centre of Postgraduate Medical Education, Warsaw, Poland
4. Department of Medical Genetics, Royal Brompton and Harefield hospitals NHS Trust, London, UK
5. Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
6. Department for Congenital Cardiology and Pediatric Cardiology, University Medical Center of Schleswig-Holstein, Kiel, Germany