1. Department of Orthopedics SijiQing Hospital Beijing People's Republic of China
2. Department of Orthopedics Bayannaoer City Hospital Bayannaoer City Inner Mongolia People's Republic of China
3. Department of Clinical Medicine Inner Mongolia University of Science and Technology Inner Mongolia People's Republic of China
4. Department of Orthopedics, Dongzhimen Hospital Beijing University of Chinese Medicine Beijing People's Republic of China