About the Authors

Zhifang Jia

Contributed equally to this work with: Zhifang Jia, Yanhua Ding

Affiliation Division of Clinical Epidemiology, First Hospital of Jilin University, Changchun, China

Yanhua Ding

Contributed equally to this work with: Zhifang Jia, Yanhua Ding

Affiliation Department of Phase I Clinical Trials of Medicine, First Hospital of Jilin University, Changchun, China

Suyan Tian

Affiliation Division of Clinical Epidemiology, First Hospital of Jilin University, Changchun, China

Junqi Niu

Affiliation Department of Hepatology, First Hospital of Jilin University, Changchun, China

Jing Jiang

jiangjing19702000@yahoo.cn

Affiliation Division of Clinical Epidemiology, First Hospital of Jilin University, Changchun, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JJ ZFJ JQN. Performed the experiments: ZFJ YHD. Analyzed the data: ZFJ SYT. Wrote the paper: ZFJ SYT. Revised the manuscript for important intellectual content: JJ JQN YHD.