Bin Xu, Zhen-Sun Song, Department of Hepato-Biliary-Pancreatic Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
Bo Xu, Bin He, Department of Anesthesiology and SICU, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
Wen-Yan Zheng, Department of Surgical Intensive Care Unit, Zhongshan Hospital, Fudan University, Shanghai 200232, China
Hai-Yan Ge, Department of Gastrointestinal Surgery, East Hospital of Shanghai, Tongji University School of Medicine, Shanghai 200120, China
Li-Wei Wang, Department of Medical Informatics, School of Public Health, Jilin University, Changchun 130021, Jilin Province, China
Author contributions: Xu B and Xu B contributed equally to this work; Xu B, Xu B and He B designed the research; Ge HY, Wang LW and Song ZS performed the research; Xu B, Zheng WY checked the data analysis and reviewed the article; Xu B, Xu B and He B wrote the paper.
Supported by National Natural Science Foundation of China, No. 81001007, No. 81100826, and No. 81270003; Fudan University Youth Fund (2012); and the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Chinese Ministry of Education.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Bin He, MD, PhD, Department of Anesthesiology and SICU, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road, Shanghai 200092, China. email@example.com
Received: August 20, 2014
Peer-review started: August 21, 2014
First decision: October 29, 2014
Revised: November 29, 2014
Accepted: January 5, 2015
Article in press: January 5, 2015
Published online: May 7, 2015