About the Authors

Zongda Jin

Contributed equally to this work with: Zongda Jin, Chunyan Zong

Chunyan Zong

Contributed equally to this work with: Zongda Jin, Chunyan Zong

Bingcheng Jiang
Zhen Zhou
Jian Tong
Yi Cao

yicao@suda.edu.cn

Affiliation School of Public Health, Soochow University, Suzhou, Jiangsu, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZJ JT YC. Performed the experiments: ZJ ZC BJ. Analyzed the data: ZJ CZ ZZ. Contributed reagents/materials/analysis tools: ZJ CZ BJ. Wrote the paper: ZJ JT YC.