1. Division of Plastic Surgery, Department of Surgery, School of Medicine, Stanford University, Stanford, California, USA
2. Division of Pediatric Surgery, Department of Surgery, School of Medicine, Stanford University, Stanford, California, USA
3. Institute for Stem Cell Biology and Regenerative Medicine, School of Medicine, Stanford University, Stanford, California, USA
4. Department of Surgery, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA