About the Authors

Martin E Budd

Affiliation Braun Laboratories, California Institute of Technology, Pasadena, California, United States of America

Amy Hin Yan Tong

Affiliations Banting and Best Department of Medical Research, University of Toronto, Toronto, Ontario, Canada, Department of Medical Genetics and Microbiology, University of Toronto, Toronto, Ontario, Canada

Piotr Polaczek

Affiliation Braun Laboratories, California Institute of Technology, Pasadena, California, United States of America

Xiao Peng

Affiliation Braun Laboratories, California Institute of Technology, Pasadena, California, United States of America

Charles Boone

Affiliations Banting and Best Department of Medical Research, University of Toronto, Toronto, Ontario, Canada, Department of Medical Genetics and Microbiology, University of Toronto, Toronto, Ontario, Canada

Judith L Campbell

To whom correspondence should be addressed. E-mail: jcampbel@its.caltech.edu

Affiliation Braun Laboratories, California Institute of Technology, Pasadena, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MEB, AHYT, PP, CB, and JLC conceived and designed the experiments. MEB, AHYT, PP, and XP performed the experiments. MEB, AHYT, PP, CB, and JLC analyzed the data. MEB, CB, and JLC wrote the paper.