1. Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Boston, MA, USA
2. Research Department, Shriners Hospital for Children, Boston, MA, USA
3. Department of Surgery, Harvard Medical School, Boston, MA, USA
4. Joslin-Beth Israel Deaconess Foot Center and the Rongxiang Xu, MD, Center for Regenerative Therapeutics, Beth Israel Deaconess Medical Center, Boston, MA, USA
5. Plastic and Reconstructive Surgery, Massachusetts General Hospital, Boston, MA, USA