About the Authors

Na Gao

Affiliation Department of Clinical Pharmacology, School of Medicine, Zhengzhou University, Zhengzhou, P. R. China

Dan Zou

Affiliation Department of Histology and Embryology, Henan Medical College for Staff and Workers, Zhengzhou, P. R. China

Hai-Ling Qiao

qiaohl@zzu.edu.cn

Affiliation Department of Clinical Pharmacology, School of Medicine, Zhengzhou University, Zhengzhou, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HLQ. Performed the experiments: NG DZ. Analyzed the data: NG DZ HLQ. Contributed reagents/materials/analysis tools: HLQ. Wrote the paper: NG HLQ.