1 School of Medicine, Tsinghua University, Beijing, China.
2 Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
3 Department of Radiation Oncology and the Ovarian Cancer Research Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
4 Institute for Immunology, Tsinghua University, Beijing, China.
5 Department of Immunology, Harvard Medical School, Boston, MA, United States.
6 Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, United States.