Institution: | 1. Department of General Surgery, Second Hospital of Jilin University,Changchun, Jilin 130000, China 2. Department of Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, China 3. Department of Neurosurgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, China 4. Department of Jilin Ginseng Academy, Changchun University of Chinese Medicine, Jilin 130117, China |