Affiliation: | 1.MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu 210095 China ;2.Department of Pathology, The University of Chicago, Chicago, IL USA ;3.Department of Pathology, Brigham and Women’s Hospital, Boston, MA USA ;4.Department of Medicine, Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women’s Hospital, Boston, MA USA |