About the Authors

Wei-hui Liu

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliations PLA Center of General Surgery, General Hospital of Chengdu Army Region, Chengdu, Sichuan Province, People's Republic of China, Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Zheng-cai Liu

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliation Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Nan You

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliation Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Ning Zhang

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliation Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Tao Wang

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliation PLA Center of General Surgery, General Hospital of Chengdu Army Region, Chengdu, Sichuan Province, People's Republic of China

Zhen-bin Gong

Contributed equally to this work with: Wei-hui Liu, Zheng-cai Liu, Nan You, Ning Zhang, Tao Wang, Zhen-bin Gong

Affiliation Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Hong-bao Liu

doukf2008@yahoo.cn (K-fD); liuweihui12@yahoo.com.cn (H-bL)

Affiliation Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Ke-feng Dou

doukf2008@yahoo.cn (K-fD); liuweihui12@yahoo.com.cn (H-bL)

Affiliation Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: W-hL H-bL K-fD. Performed the experiments: W-hL Z-cL NY NZ TW Z-bG. Analyzed the data: W-hL Z-cL H-bL K-fD. Contributed reagents/materials/analysis tools: NY NZ TW Z-bG. Wrote the paper: W-hL K-fD. Language modification: Zheng-cai Liu.