About the Authors

Wei-hui Liu

Contributed equally to this work with: Wei-hui Liu, Xing Wang, Nan You, Kai-shan Tao

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

Xing Wang

Contributed equally to this work with: Wei-hui Liu, Xing Wang, Nan You, Kai-shan Tao

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

Nan You

Contributed equally to this work with: Wei-hui Liu, Xing Wang, Nan You, Kai-shan Tao

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

Kai-shan Tao

Contributed equally to this work with: Wei-hui Liu, Xing Wang, Nan You, Kai-shan Tao

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

Tao Wang

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

Li-jun Tang

doukf2008@yahoo.cn (KD); whjtlj@yahoo.com.cn (LT)

Affiliation PLA Center of General Surgery, General Hospital of Chengdu Army Region, Chengdu, Sichuan Province, China

Ke-feng Dou

doukf2008@yahoo.cn (KD); whjtlj@yahoo.com.cn (LT)

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WL LT KD. Performed the experiments: WL XW NY KT TW LT KD. Contributed reagents/materials/analysis tools: WL XW NY KT TW. Wrote the paper: WL XW NY.