About the Authors

Lingjie Li

Affiliation Program in Epithelial Biology Stanford University School of Medicine, Stanford, California, United States of America

Jill A. Helms

Affiliation Department of Surgery, Stanford University School of Medicine, Stanford, California, United States of America

Howard Y. Chang

howchang@stanford.edu

Affiliation Program in Epithelial Biology Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.