1 Institute for Immunology and School of Medicine, Tsinghua University, Beijing, 100084, China.
2 Institute for Immunology and School of Medicine, Tsinghua University, Beijing, 100084, China. chendong@tsinghua.edu.cn.
3 Shanghai Immune Therapy Institute, Shanghai Jiaotong University School of Medicine-affiliated Renji Hospital, Shanghai, 200127, China. chendong@tsinghua.edu.cn.