About the Authors

Fang Zheng

Affiliation Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States of America

Chang-Guo Zhan

zhan@uky.edu

Affiliation Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FZ CGZ. Performed the experiments: FZ. Analyzed the data: FZ CGZ. Contributed reagents/materials/analysis tools: FZ. Wrote the paper: FZ CGZ.