1. Department of Orthopedics, Peking University Third Hospital Beijing China
2. Department of Orthopedics, Sun Yat‐sen Memorial Hospital Guangzhou China
3. Department of Orthopedics, Shenzhen Second People's Hospital Shenzhen China
4. Peking University Health Science Center Beijing China
5. Department of Orthopedics, Southern Medical University Nanfang Hospital Guangzhou China
6. Department of Science and Technology Studies Cornell University Ithaca New York USA