aDepartment of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital
bDepartment of Clinical Medicine, Second Military Medical University, Shanghai
cDepartment of Oncology, Affiliated Zhongshan Hospital of Guangdong Medical University, Guangdong, China
* Zheng Wang and Yi-Sheng Huang contributed equally to the writing of this article.
Correspondence to Tian Yang, MD, Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, No. 225 Changhai Road, Shanghai 200438, China Tel/fax: +86 21 818 75182; e-mail: email@example.com
Received June 22, 2017
Accepted June 23, 2017