About the Authors

Jongkwang Kim

Affiliation Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America

Long Gao

Affiliation Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa, United States of America

Kai Tan

kai-tan@uiowa.edu

Affiliations Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America, Department of Biomedical Engineering, University of Iowa, 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: JK KT. Performed the experiments: JK LG KT. Analyzed the data: JK LG KT. Contributed reagents/materials/analysis tools: JK LG KT. Wrote the paper: KT.