1. Praxis am Herz-Jesu-Krankenhaus, 36037 Fulda, Germany
2. Division of Pediatric Cardiology, Children’s Hospital, University of Ulm, 89073 Ulm, Germany
3. National Register for Congenital Heart Defects, DZHK (German Centre for Cardiovascular Research), 13353 Berlin, Germany
4. Institute for Sport and Sport Science, Karlsruhe Institute for Technology, 76131 Karlsruhe, Germany