1. Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California.
2. Center for Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital Regensburg and Caritas Hospital St. Josef, Regensburg, Germany.
3. Sumner M. Redstone Burn Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.