Institute of Immunology;
Zhejiang University School of Medicine;
Hangzhou 310058;
China;
National Key Laboratory of Medical Immunology & Institute of Immunology;
Second Military Medical University;
Shanghai 200433;
China;
National Key Laboratory of Medical Molecular Biology & Department of Immunology;
Chinese Academy of Medical Sciences;
Beijing 100005;
China;
Songqing Tang and Taoyong Chen contributed equally to this work;