Affiliation: | Zhi-Bin Ma, Hong-Yu Xu, Miao Jiang, You-Lin Yang, Lian-Xin Liu, Department of Gastroenterology, First Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang Province, ChinaYing-Hua Li, Department of Hematology, First Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang Province, China |