About the Authors

Sandeep Kumar

Affiliation Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, United States of America

Zuzana Kocsisova

Affiliation Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, United States of America

Kerry Kornfeld

kornfeld@wustl.edu

Affiliation Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.