Affiliation: | Na Li, Department of Hospice Care, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, ChinaFan Yang, Jin-Tao Guo, Nan Ge, Si-Yu Sun, Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, ChinaDong-Yan Liu, Medical Research Center, Shengjing Hospital of China Medical University, Benxi 111700, Liaoning Province, China |