Mei Li, Xiu-Fang Wang, Juan-Juan Shi, Ya-Ping Li, Ning Yang, Song Zhai, Shuang-Suo Dang, Department of Infectious Diseases, the Second Affiliated Hospital of Medical School of Xi’an Jiaotong University, Xi’an 710004, Shannxi Province, China
Author contributions: Li M and Wang XF contributed equally to this work; Li M, Wang XF and Dang SS designed the research; Li M, Wang XF, Shi JJ, Li YP, Yang N and Zhai S performed the research; Li M, Wang XF and Li YP analyzed the data; and Li M and Wang XF wrote the paper.
Supported by Liver Fibrosis Foundation of Wang Bao-En, China, No. 20100033; and Science and Technology Foundation of Shaanxi Province, China, No. 2010K01-199.
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: Shuang-Suo Dang, PhD, MD, Department of Infectious Diseases, the Second Affiliated Hospital of Medical School of Xi’an Jiaotong University, No. 157 Xi’wu Road, Xi’an 710004, Shaanxi Province, China. email@example.com
Telephone: +86-29-87679688 Fax: +86-29-87679688
Received: August 24, 2014
Peer-review started: August 24, 2014
First decision: September 27, 2014
Revised: October 25, 2014
Accepted: December 5, 2014
Article in press: December 8, 2014
Published online: April 7, 2015