1. General Orthopedic, Wangjing Hospital of China Academy of Chinese Medical Sciences, Beijing, China
2. Scientific Research, Wangjing Hospital of China Academy of Chinese Medical Sciences, Beijing, China
3. Spine Department2, Wangjing Hospital of China Academy of Chinese Medical Sciences, Beijing, China
4. Orthopedic, Tianjing University of Traditional Chinese Medicine, Tianjin, China