Author information:
(1)Department of Immunology & Center for Immunotherapy, Institute of Basic 
Medical Sciences, Peking Union Medical College, Chinese Academy of Medical 
Sciences, Beijing 100005, China.
(2)Department of Immunology, School of Basic Medical Science, Shandong 
University, Jinan, Shandong 250012, China; State Key Laboratory of Microbial 
Technology, Shandong University, Jinan, Shandong 250012, China.
(3)Department of Immunology, School of Basic Medical Science, Shandong 
University, Jinan, Shandong 250012, China.
(4)Department of Immunology, School of Basic Medical Science, Shandong 
University, Jinan, Shandong 250012, China; State Key Laboratory of Microbial 
Technology, Shandong University, Jinan, Shandong 250012, China. Electronic 
address: wzhao@sdu.edu.cn.
(5)Department of Immunology & Center for Immunotherapy, Institute of Basic 
Medical Sciences, Peking Union Medical College, Chinese Academy of Medical 
Sciences, Beijing 100005, China; National Key Laboratory of Medical Immunology & 
Institute of Immunology, Second Military Medical University, Shanghai, China. 
Electronic address: caoxt@immunol.org.