About the Authors

Xinji Zhang

Contributed equally to this work with: Xinji Zhang, Yesheng Li, Hui Li, Yingyi Qin

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Yesheng Li

Contributed equally to this work with: Xinji Zhang, Yesheng Li, Hui Li, Yingyi Qin

Affiliation Department of Special Treatment, Eastern Hepatobiliary Hospital, Second Military Medical University, Shanghai, China

Hui Li

Contributed equally to this work with: Xinji Zhang, Yesheng Li, Hui Li, Yingyi Qin

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Yingyi Qin

Contributed equally to this work with: Xinji Zhang, Yesheng Li, Hui Li, Yingyi Qin

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Chong Bai

Affiliation Respiratory Department, Changhai Hospital, Second Military Medical University, Shanghai, China

Feng Xu

Affiliation Department of Special Treatment, Eastern Hepatobiliary Hospital, Second Military Medical University, Shanghai, China

Tianyi Zhu

Affiliation Respiratory Department, Changhai Hospital, Second Military Medical University, Shanghai, China

Jinfang Xu

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Mengjie Wu

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Chaoxiang Wang

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Lixin Wei

Affiliation Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Hospital, Second Military Medical University, Shanghai, China

Jia He

hejia63@yahoo.com

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: Z-XJ L-YS LH Q-YY HJ. Performed the experiments: Z-XJ L-YS LH Q-YY BC XF. Analyzed the data: Z-XJ L-YS LH Q-YY BC XF Z-TY W-LX. Contributed reagents/materials/analysis tools: X-JF W-MJ W-CX. Wrote the paper: Z-XJ L-YS LH Q-YY HJ.