机构:Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China,Department of Gastroenterology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, China,Suzhou PrecisionGene Biotechnology Co. Ltd, Suzhou, Jiangsu 2