1. Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
2. Department of Anesthesiology, Subei People’s Hospital of Jiangsu Province, Yangzhou, Jiangsu, China
3. Central Laboratory, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
4. Department of Pharmacy, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China