1 Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
2 Center of Functional Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
3 Department of Orthopaedic Surgery, The First People's Hospital of Zunyi City, Zunyi, Guizhou Province, China.
4 Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China drhuangwei68@gmail.com,huangwei68@263.net.