1 Department of Orthopedic Surgery, West China Hospital of Sichuan University, Wai Nan Guo Xue Lane No. 37, Wuhou District, Chengdu, Sichuan Province, 610041, PR China.
2 Department of Orthopedic Surgery, West China Hospital of Sichuan University, Wai Nan Guo Xue Lane No. 37, Wuhou District, Chengdu, Sichuan Province, 610041, PR China. Electronic address: ly196818@163.com.