1. Department of Orthopedic Surgery, Columbia University, 650 W 168th St, New York, NY 10032, USA.
2. Department of Biomedical Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO 63130, USA.
3. Department of Biomedical Engineering, Columbia University, 1210 Amsterdam Ave, New York, NY 10027, USA.
4. Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Ave., Glasgow, Scotland G12 8TA, UK.
5. Departments of Orthopedic Surgery and Cell Biology and Physiology, Washington University in St. Louis, 660 S. Euclid Ave., St. Louis, MO 63110, USA.
6. Shriners Hospital for Children, 4400 Clayton Ave, St. Louis, MO 63110, USA.
7. Department of Orthopedic Surgery, Mount Sinai, 5 E 98th St., New York, NY 10029, USA.