About the Authors

Guang-cong Liu

Contributed equally to this work with: Guang-cong Liu, Guo-yuan Sui

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Guo-yuan Sui

Contributed equally to this work with: Guang-cong Liu, Guo-yuan Sui

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Guang-ying Liu

Affiliation First Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning, PR China

Yang Zheng

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Yan Deng

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Yan-yan Gao

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Lie Wang

liewang@mail.cmu.edu.cn

Affiliation School of Public Health, China Medical University, Shenyang, Liaoning, PR China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GCL GYS LW. Analyzed the data: GYS GCL. Contributed reagents/materials/analysis tools: GYL YZ YD YYG. Wrote the paper: GCL.