1. Department of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
2. Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu, China
3. Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
4. Department of Gastroenterology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
5. Helicobacter pylori Research Center, Nanjing Medical University, Nanjing, Jiangsu, China
6. Research Center for the Prevention and Treatment of Drug Resistant Microbial Infection, Youjiang Medical University for Nationalities, Baise, Guangxi, China