1. Department of Orthopaedics, the Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing City (210017), Jiangsu Province, PR China
2. Department of General Studies, Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang City (712046), Shanxi Province, PR China
3. Academic Affairs Office, Jiangsu Health Vocational College, Nanjing City (211899), Jiangsu Province, PR China
4. Department of Orthopedics, Jiangsu province integrated traditional Chinese and Western medicine hospital, Nanjing city (210028), Jiangsu Province, PR China