1. Division of Cardiology Cardiac Center the Children's Hospital of PhiladelphiaUniversity of Pennsylvania Perelman School of Medicine Philadelphia PA
2. Cardiovascular Outcomes, Quality, and Evaluative Research Center University of Pennsylvania Philadelphia PA
3. Leonard Davis Institute of Health Economics University of Pennsylvania Philadelphia PA
4. Department of Biomedical Health Informatics, Healthcare Analytics Unit the Children's Hospital of Philadelphia Philadelphia PA
5. Cardiovascular Division Department of Medicine Perelman School of Medicine Philadelphia PA
6. Cardiothoracic Surgery Perelman School of Medicine Philadelphia PA
7. General Internal Medicine Division Department of Medicine Perelman School of Medicine Philadelphia PA
8. Cardiovascular Division Poriya Medical CenterBar Ilan University Ramat Gan Israel