| Affiliation: | 1. Stanford Children's Health, Lucile Packard Children's Hospital, Palo Alto, California, USA;2. Division of Pediatric Cardiology, Department of Pediatrics, Children's Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, California, USA;3. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA;4. Division of Pediatric Cardiology, Department of Pediatrics, UCLA Mattel Children's Hospital, David Geffen School of Medicine at UCLA, Los Angeles, California, USA;5. Fetal Diagnostic Centers, Pasadena, California, USA |
