[1] Charité—Universitätsmedizin Berlin,Department of Pediatric Cardiology
[2] Deutsches Herzzentrum Berlin (DHZB),Department of Congenital Heart Disease/Pediatric Cardiology
[3] European Pediatric Pulmonary Vascular Disease Network,Division of Pediatric Cardiology, Department of Pediatrics
[4] Medical University Graz,Institute for Medical Informatics, Statistics and Documentation
[5] Medical University Graz,Division of Neonatology, Department of Pediatrics and Adolescence Medicine
[6] Medical University of Graz,Physiological Chemistry Division, Otto Loewi Research Center
[7] Medical University of Graz,Department of Pediatric Cardiology and Critical Care
[8] Hannover Medical School,undefined