1. Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, USA; Harvard University, Cambridge, MA, USA
2. Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, USA
3. Harvard Medical School, Boston, MA, USA; Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, USA