1. School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China Tianjin University Yaguan Road 135# Tianjin 300072 China
2. School of Materials Science & Engineering Peking University Yiheyuan Road 5# Beijing 100871 China
3. School of Life Science and Health Engineering Hebei University of Technology Xiping Avenue 5340# Tianjin 300401 China
4. Department of Orthopedics Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences Zhongshan 2nd Road 106# Guangzhou 510080 China
5. Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering City University of Hong Kong Tat Chee Avenue Kowloon Hong Kong 999077 China