About the Authors
Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America
Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SYL TR JS NLL. Performed the experiments: SYL TC JBW JK. Analyzed the data: SYL JS NLL. Contributed reagents/materials/analysis tools: JBW. Wrote the paper: SYL.