Marie GleasonRobert E. Shaddy, MD, is Chief, Division of Cardiology, Children's Hospital of Philadelphia; and Professor of Pediatrics, University of Pennsylvania School of Medicine. Marie M. Gleason, MD, is Associate Chief and Director of Outpatientand Community Cardiology, Children's Hospital of Philadelphia; and Professor of Pediatrics, University of Pennsylvania School of Medicine. Jack Rychik, MD, is Medical Director of The Fetal Heart Program and Associate Chief for Academic Affairs, Children's Hospital of Philadelphia; and Professor of Pediatrics, University of Pennsylvania School of Medicine. Read More Read Less