About the Authors

Wenjie Duan

Affiliation Department of Applied Social Sciences, City University of Hong Kong, Hong Kong SAR, P. R. China

Pengfei Guo

lyzyydb@163.com

Affiliation Hospital (T. C. M.) Affiliated to Luzhou Medical College, Luzhou, Sichuan, P. R. China

Pei Gan

Affiliation The First Affiliated Hospital of Chongqing Medical University, Chongqing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WD P. Gan P. Guo. Performed the experiments: WD P. Guo. Analyzed the data: WD. Contributed reagents/materials/analysis tools: WD P. Gan. Wrote the paper: WD P. Guo.