Affiliation: | Shu-Xia Yu, Bin Li, Jing-Hua Hao, Department of Gastroenterology and Hepatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, ChinaXian-Kui Cheng, Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China |