1. Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
2. Department of Hand, Plastic and Reconstructive Surgery, Burn Trauma Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, Germany
3. Schuster Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts