About the Authors

Ningli Cheng

Address Current address: Department of Pathology, Medical College of Georgia, Augusta, Georgia, United States of America

Affiliation Department of Pathology, Program in Molecular and Cellular Biology, University of Iowa Roy J. and Lucille P. Carver College of Medicine, Iowa City, Iowa, United States of America

Christopher I. van de Wetering

Affiliation Department of Pathology, Program in Molecular and Cellular Biology, University of Iowa Roy J. and Lucille P. Carver College of Medicine, Iowa City, Iowa, United States of America

C. Michael Knudson

c-knudson@uiowa.edu

Affiliation Department of Pathology, Program in Molecular and Cellular Biology, University of Iowa Roy J. and Lucille P. Carver College of Medicine, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CK NC Cv. Performed the experiments: NC Cv. Analyzed the data: CK NC Cv. Wrote the paper: CK Cv.