1. Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
2. Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
3. Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
4. Department of Microbiological Laboratory Technology, School of Public Health, Shandong University, Jinan, Shandong, China
5. Department of Pathogenic Biology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China