About the Authors

Ken Halvorsen

Affiliations Immune Disease Institute/Program in Cellular and Molecular Medicine, Harvard Medical School and Children’s Hospital Boston, Boston, Massachusetts, United States of America, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America

Wesley P. Wong

wong@idi.harvard.edu

Affiliations Immune Disease Institute/Program in Cellular and Molecular Medicine, Harvard Medical School and Children’s Hospital Boston, Boston, Massachusetts, United States of America, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

KH and WW have submitted a patent application on the technique presented in this paper.

Author Contributions

Conceived and designed the experiments: KH WW. Performed the experiments: KH. Analyzed the data: KH WW. Wrote the paper: KH WW.