1. Department of Pediatric Cardiology; Saarland University Hospital; Homburg/Saar Germany
2. Department of Pediatrics and Neonatology; Saarland University Hospital; Homburg/Saar Germany
3. Gemeinschaftspraxis für Humangenetik; Homburg/Saar Germany
4. Department of Pediatric Neurology; Saarland University Hospital; Homburg/Saar Germany