About the Authors
- Jongkwang Kim, Kai Tan
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America
- Long Gao, Kai Tan
- Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa, United States of America
The authors have declared that no competing interests exist.
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.