1. Department of Medicine, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, Pennsylvania. 1
2. Center for Cellular Immunotherapies, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, Pennsylvania. 3
3. Parker Institute for Cancer Immunotherapy at the University of Pennsylvania, Philadelphia, Pennsylvania. 4
4. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, Pennsylvania. 2