1. Departments
of Biomedical Engineering, Chemistry and Medicine, Boston University, 590
Commonwealth Avenue, Boston, Massachusetts 02215, United States
2. Carl
J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess
Medical Center, Harvard Medical School, Boston, Massachusetts, United States
3. Center
for Advanced Orthopaedic Studies, Carl J. Shapiro Department of Orthopaedic
Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States