About the Authors

Kaiyun Chen

Contributed equally to this work with: Kaiyun Chen, Yong Xia

Affiliation Department of General Surgery, the Second Provincial People’s Hospital of Guangdong Province, Guangzhou, P. R. China

Yong Xia

Contributed equally to this work with: Kaiyun Chen, Yong Xia

Affiliation Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, P. R. China

Hanning Wang

Affiliation Department of General Surgery, the Second Provincial People’s Hospital of Guangdong Province, Guangzhou, P. R. China

Fanglian Xiao

Affiliation Department of General Surgery, the Second Provincial People’s Hospital of Guangdong Province, Guangzhou, P. R. China

Guoan Xiang

guoanxiang@yahoo.cn (GX); shenfengdfgd@yahoo.com.cn (FS)

Affiliation Department of General Surgery, the Second Provincial People’s Hospital of Guangdong Province, Guangzhou, P. R. China

Feng Shen

guoanxiang@yahoo.cn (GX); shenfengdfgd@yahoo.com.cn (FS)

Affiliation Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KC YX GX FS. Performed the experiments: KC YX HW FX. Analyzed the data: KC YX FS. Contributed reagents/materials/analysis tools: HW FX. Wrote the paper: YX GX FS.