University Medical Centre G(o)ttingen G(o)ttingen Lower Saxony Germany;
German Heart Centre Munich Munich Bavaria Germany;
Medical Practice for Paediatric Cardiology Baden-Baden Baden-Württemberg Germany;
Department of Medical Statistics University Medical Centre G(o)ttingen G(o)ttingen Lower Saxony Germany;
Medical Practice for Paediatric Cardiology G(o)ttingen Lower Saxony Germany;