Affiliation: | 1.Department of Microbiology and Immunology,Medical College,Anhui University of Science and Technology,Huainan 232001,China;2.Department of Microbiology and Immunology,3 Department of Pathophysiology,Medical College,Jinan University,Guangzhou 510632,China;4.Department of Microbiology,Zhongshan Medical College,Sun Yat-sen University,Guangzhou 510080,China |