1. Department of Surgery, Hanan Branch of The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
2. Rehabilitation Medicine Center of the Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
3. Shanghai Public Health Clinical Center, Jinshan, Shanghai 200001, P.R. China