1. McGowan Institute for Regenerative Medicine University of Pittsburgh Pittsburgh Pennsylvania USA
2. Department of Orthopaedic Surgery University of Pittsburgh Pittsburgh Pennsylvania USA
3. Department of Orthopaedic Surgery The Sixth Affiliated Hospital of Guangzhou Medical University Qingyuan China
4. Department of Orthopedics The Third Affiliated Hospital of Southern Medical University Guangzhou China
5. Lunenfeld‐Tanenbaum Research Institute Mount Sinai Hospital Toronto Canada
6. Pathology and Laboratory Medicine Mount Sinai Hospital Toronto Canada
7. Laboratory Medicine and Pathobiology University of Toronto Toronto Canada
8. Institute of Biomaterials and Biomedical Engineering University of Toronto Toronto Canada
9. Department of Orthopaedic Surgery Affiliated Hospital of Xiangnan University Chenzhou China
10. Department of Clinical Medical Research Center Affiliated Hospital of Xiangnan University Chenzhou China
11. Department of Physical Medicine and Rehabilitation University of Pittsburgh Pittsburgh Pennsylvania USA
12. Department of Pathology University of Pittsburgh Pittsburgh Pennsylvania USA