1. Department of Microbiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health Southern Medical University Guangzhou China
2. Department of Radiation Oncology, Nanfang Hospital Southern Medical University Guangzhou China
3. Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital Southern Medical University Guangzhou China
4. Department of Cell Biology, School of Basic Medical Sciences Southern Medical University Guangzhou China
5. State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology Guangdong Academy of Sciences Guangzhou China