1. Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California.
2. Department of Radiology, Stanford University School of Medicine, Stanford, California.
3. University of Central Florida College of Medicine, Orlando, Florida.
4. Department of Surgery, John A. Burns School of Medicine, University of Hawai'i, Honolulu, Hawai'i.
5. Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California.