1. Department of Orthopedics, People’s Hospital of Zhongjiang County, Zhongjiang 6181001, P. R. China
2. Data Recovery Key Laboratory of Sichuan Province, School of Artificial Intelligence, Neijiang Normal University, Neijiang 641100, P. R. China
3. School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China