1. School of Materials Science and Engineering Peking University Beijing 100871 China
2. Department of Orthopedics and Traumatology The University of Hong Kong Pokfulam Hong Kong China
3. Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma Department of Orthopaedics and Traumatology The University of Hong Kong‐Shenzhen Hospital Shenzhen 518053 China
4. Department of Orthopedics Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences Guangzhou 510080 China