Following publication of the original article [1], in this article the affiliation details for all the authors were incorrectly given and it should has shown below:

Fu-Qiang Zhao1, Yu-Juan Jiang1, Wei Xing2*, Wei Pei1, Jian-Wei Liang1

1Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China

2Department of General Surgery, Hebei Province Hospital of Chinese Medicine; Affiliated Hospital of Hebei University of Chinese Medicine, Shijiazhuang, China

The original article has been corrected.