| Affiliation: | 1. Department of Pediatric Cardiology, Heart Center Cologne, University Hospital of Cologne, Cologne, Germany;2. Institute of Human Genetics, University of Cologne, Cologne, Germany;3. Department of Pediatrics, Division of Pediatric Nephrology, University of Bonn, Bonn, Germany;4. Department of Pediatric Cardiology, Cairo University Children's Hospital (CUCH), Cairo, Egypt;5. Institute for Medical Statistics, Informatics and Epidemiology (IMSIE), University of Cologne, Cologne, Germany |
