About the Authors

Tao Zeng

Affiliation Institute of Toxicology, School of Public Health, Shandong University, Jinan City, Shandong Province, People's Republic of China

Cui-Li Zhang

Affiliation Institute of Toxicology, School of Public Health, Shandong University, Jinan City, Shandong Province, People's Republic of China

Fu-Yong Song

Affiliation Institute of Toxicology, School of Public Health, Shandong University, Jinan City, Shandong Province, People's Republic of China

Xiu-Lan Zhao

Affiliation Institute of Toxicology, School of Public Health, Shandong University, Jinan City, Shandong Province, People's Republic of China

Ke-Qin Xie

keqinx@sdu.edu.cn

Affiliation Institute of Toxicology, School of Public Health, Shandong University, Jinan City, Shandong Province, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TZ KQX. Performed the experiments: TZ CLZ. Analyzed the data: TZ FYS XLZ. Contributed reagents/materials/analysis tools: FYS XLZ. Contributed to the writing of the manuscript: TZ CLZ FYS XLZ KQX.