1. Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
2. Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
3. Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
4. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.