1. Department of Pediatric Cardiology and Critical Care Hannover Medical School Hannover Germany
2. The European Pediatric Pulmonary Vascular Disease Network (EPPVDN) Berlin Germany
3. Department of Pediatric Newborn Medicine Brigham and Women's Hospital Boston MA USA
4. Harvard Medical School Boston MA USA
5. Division of Pediatric Cardiology Medical University Graz Graz Austria
6. Department of Pediatric Cardiology Charité – Universitätsmedizin Berlin Berlin Germany
7. Corporate Member of Freie Universität Berlin Humboldt‐Universität zu Berlin Berlin Germany
8. Berlin Institute of Health Berlin Germany
9. Department of Congenital Heart Disease/Pediatric Cardiology Deutsches Herzzentrum Berlin (DHZB) Berlin Germany