1. Center for Immuno-Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA.
2. Department of Pathology, Brigham and Women’s Hospital, Boston, MA 20115, USA.
3. Bristol-Myers Squibb, Princeton, NJ 08540, USA.
4. Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA.
5. Laura and Isaac Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY 10016, USA.
6. Melanoma and Immunotherapeutics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
7. Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA.
8. James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA.
9. Melanoma Disease Center, Dana-Farber Cancer Institute, Boston, MA 02215, USA.