1. Department of Orthopedic Surgery, the Second Affiliated Hospital, Fujian Medical University, Quanzhou, China.
2. Department of Orthopedic Surgery, the People's Hospital of Guizhou Province, Guiyang, China.
3. Department of Orthopedic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
4. Department of Neurology and Institute of Neurology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China.