1. Department of Immunology, University of Pittsburgh School of Medicine , W1110 Thomas E. Starzl Biomedical Sciences Tower, 200 Lothrop Street, Pittsburgh, PA 15213 , USA
2. Department of Medicine, University of Pittsburgh School of Medicine, 1.27C Research Pavilion, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center , 5150 Centre Avenue, Pittsburgh, PA 15213 , USA
3. Cancer Immunology and Immunotherapy Program, Hillman Cancer Center , 5150 Centre Avenue, Pittsburgh, PA 15213 , USA
4. Department of Dermatology, Pathology and Bioengineering, University of Pittsburgh School of Medicine , W1151 BST, 200 Lothrop Street, Pittsburgh, PA 15213 , USA