1. Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
2. Bloomberg-Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD 21287, USA.
3. Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
4. Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.