1. The Department of Pathology and Laboratory Medicine; The Children's Hospital of Philadelphia; Philadelphia; Pennsylvania
2. The Division of Genetics; The Children's Hospital of Philadelphia; Philadelphia; Pennsylvania
3. The Division of Neonatalogy; The Children's Hospital of Philadelphia; Philadelphia; Pennsylvania
4. The Department of Pediatrics; Medical Genetics Institute Cedars-Sinai Medical Center, Geffen School of Medicine at UCLA; Los Angeles; California
5. The Department of Radiology; The Children's Hospital of Philadelphia; Philadelphia; Pennsylvania
6. The Division of Oncology; The Children's Hospital of Philadelphia; Philadelphia; Pennsylvania
7. The Department of Cell and Developmental Biology; Perelman School of Medicine, The University of Pennsylvania; Philadelphia; Pennsylvania