Institution: | 1. Department of Pediatrics, Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA;2. Department of Pediatrics, Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA;3. Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA |