1. Department
of Sports Medicine, Huashan Hospital, Fudan University, 12 Wulumuqi
Zhong Road, Shanghai 200040, People’s Republic of China
2. State Key Laboratory
of High Performance Ceramics and Superfine Microstructure, Shanghai
Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People’s Republic of China