1. Department of Microbiology Key Laboratory for Experimental Teratology of Ministry of Education Key Laboratory of Infection and Immunology of Shandong Province School of Basic Medicine Shandong University Jinan China
2. Shandong Center for Disease Control and Prevention Jinan China
3. Department of Pathology School of Basic Medicine Shandong University Jinan China
4. Department of Gastroenterology Qilu Hospital Shandong University Jinan China
5. School of Control Science and Engineering Shandong University Jinan China