About the Authors

Eric L. Van Nostrand

Affiliations Department of Genetics, Stanford University Medical Center, Stanford, California, United States of America, Department of Developmental Biology, Stanford University Medical Center, Stanford, California, United States of America

Adolfo Sánchez-Blanco

Current address: Instituto de Biología Molecular y Celular del Cáncer, Centro de Investigación del Cáncer, CSIC–Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca, Spain

Affiliation Department of Developmental Biology, Stanford University Medical Center, Stanford, California, United States of America

Beijing Wu

Affiliations Department of Genetics, Stanford University Medical Center, Stanford, California, United States of America, Department of Developmental Biology, Stanford University Medical Center, Stanford, California, United States of America

Andy Nguyen

Affiliation Department of Developmental Biology, Stanford University Medical Center, Stanford, California, United States of America

Stuart K. Kim

stuartkm@stanford.edu

Affiliations Department of Genetics, Stanford University Medical Center, Stanford, California, United States of America, Department of Developmental Biology, Stanford University Medical Center, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ELVN SKK. Performed the experiments: ELVN AS-B BW AN. Analyzed the data: ELVN. Contributed reagents/materials/analysis tools: ELVN AS-B BW. Wrote the paper: ELVN SKK.