About the Authors

Li Yunlan

liyunlanrr@163.com (LYL); qingshanl@yahoo.com (LQS)

Affiliation School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, People's Republic of China

Zheng Juan

Affiliation School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, People's Republic of China

Li Qingshan

liyunlanrr@163.com (LYL); qingshanl@yahoo.com (LQS)

Affiliation School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LYL LQS. Performed the experiments: ZJ LYL. Analyzed the data: LYL. Contributed reagents/materials/analysis tools: ZJ LYL. Wrote the paper: LYL.