1. Department of Anesthesiology, Laboratory for Tissue Engineering and Regenerative Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts.
2. Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts.
3. Department of Orthopedic Surgery, Cartilage Repair Center, Harvard Medical School, Brigham and Women's Hospital, Chestnut Hill, Massachusetts.