About the Authors

Jun-Chao Guo

Contributed equally to this work with: Jun-Chao Guo, Jian Li, Ying-Chi Yang

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Jian Li

Contributed equally to this work with: Jun-Chao Guo, Jian Li, Ying-Chi Yang

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Ying-Chi Yang

Contributed equally to this work with: Jun-Chao Guo, Jian Li, Ying-Chi Yang

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Li Zhou

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Tai-Ping Zhang

zhao8028@263.net (YPZ); tpingzhang@yahoo.com (TPZ)

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Yu-Pei Zhao

zhao8028@263.net (YPZ); tpingzhang@yahoo.com (TPZ)

Affiliation Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TPZ YPZ. Performed the experiments: JCG JL YCY. Analyzed the data: LZ. Contributed reagents/materials/analysis tools: LZ. Wrote the paper: JCG JL YCY.