1. 1Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
2. 2BeiGene (Shanghai) Research & Development Co., Ltd., Shanghai, China.
3. 3National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland.
4. 4Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
5. 5Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
6. 6Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.