1. Department of Gastroenterology, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University , Changzhou , Jiangsu, 213003 , China
2. Clinical Laboratory of Diagnostics and Gastroenterology, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, No. 68 Gehuzhonglu Road, Wujin District , Changzhou , Jiangsu, 213003 , China