1. Cardiology, University Hospital, Zurich, Switzerland
2. Division of Metabolism, University Children’s Hospital, Zurich, Switzerland
3. Centre for Cardiovascular Genetics and Gene Diagnostics, Schlieren, Switzerland
4. Cardiology, Division of Cardiology, University Children’s Hospital, Zurich; and Children’s Research Centre, University Children’s Hospital, Zurich, Switzerland
5. Cardiovascular Centre, Klinik Im Park, Zurich, Switzerland
6. Department of Paediatric Cardiology, Paediatrics, Kantonsspital Winterthur, Switzerland
7. Department of Cardiology, Kantonsspital Winterthur, Switzerland
8. Department of Cardiology, Stadtspital Triemli, Zurich, Switzerland