1. Department of Orthopaedics, Fujian Provincial 2nd People's Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
2. Department of Neurosurgery, Fujian Provincial 2nd People's Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
3. Department of Orthopaedics, Fujian Provincial 3rd People's Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China