1. Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University , Nanjing, China
2. School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University , Nanjing, China
3. Department of Laboratory Medicine, Yangzhou Hongquan Hospital , Yangzhou, China
4. General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University , Nanjing, China
5. Department of Gastroenterology, Nanjing First Hospital, Nanjing Medical University , Nanjing, China
6. H. pylori Research Key Laboratory, Nanjing Medical University , Nanjing, China