1. Department of Orthopedics and Joint Surgery, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, P.R. China.
2. Department of Orthopedics, Tongde Hospital of Zhejiang Provincial, Hangzhou, P.R. China.
3. Institute of Cancer Research and Basic Medical Sciences, Cancer Hospital of University Academy of Sciences, Zhejiang Cancer Hospital, Hangzhou, P.R. China.