About the Authors

Chang-Yi Wu

Affiliation Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Janet Steffen

Affiliation Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

David J. Eide

deide@wisc.edu

Affiliation Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DE. Performed the experiments: CYW JS. Analyzed the data: CYW DE. Wrote the paper: CYW DE.