1 Siranush Sarkizova is at the Center for Cancer Research, Massachusetts General Hospital, Boston, Massachusetts 02114, USA; the Broad Institute of MIT and Harvard, Cambridge, Massachusetts; and the Department of Biomedical Informatics, Harvard Medical School, Boston.
2 Nir Hacohen is at the Center for Cancer Research, Massachusetts General Hospital, Boston, Massachusetts 02114, USA, and at the Broad Institute of MIT and Harvard, Cambridge, Massachusetts.