About the Authors
Department of Molecular Biology, Lewis Thomas Laboratory, Princeton University, Princeton, New Jersey, United States of America
Laboratory of Immune Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America
Department of Biology, Haverford College, Haverford, Pennsylvania, United States of America
The authors have declared that no competing interests exist.
YC, ENS, and YS conceived and designed the experiments. YC, ENS, SMS, DJR, and RF performed the experiments. SMS, DJR, and RF analyzed the data. YC, ENS, SMS, RF, and YS discussed the results. YC, ENS, and YS wrote the paper.