1. Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
2. Department of Biochemistry and Molecular Biology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
3. Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria
4. Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, P.R. China
5. Department of Medical Laboratory Science, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
6. Institute of Digestive Diseases, Jiangsu University, Zhenjiang, Jiangsu, China