1. Department of Orthopaedic Surgery, Graduate School of MedicineKyoto UniversityKyoto Japan
2. Center for Musculoskeletal ResearchUniversity of Rochester Medical CenterRochester New York
3. Pathology and Laboratory MedicineUniversity of Rochester Medical CenterRochester New York
4. Department of Orthopaedic SurgeryVirginia Commonwealth University School of MedicineRichmond Virginia
5. Department of Orthopedics and RehabilitationUniversity of Rochester Medical CenterRochester New York