About the Authors

Sri Kripa Balakrishnan

Affiliation Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Michael Witcher

Current address: Department of Oncology, McGill University, Montreal, Canada

Affiliation Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Travis W. Berggren

Affiliation Stem Cell Core, Salk Institute for Biological Studies, La Jolla, California, United States of America

Beverly M. Emerson

emerson@salk.edu

Affiliation Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SKB MW BME. Performed the experiments: SKB MW. Analyzed the data: SKB MW BME. Contributed reagents/materials/analysis tools: TWB. Wrote the paper: SKB BME.