About the Authors

Kevin C. Stein

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

Heather L. True

heather.true@wustl.edu

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

Competing Interests

The authors have declared that no competing interests exist.