Zhao Li, Xiong Qin, Bin-Bin Xu, Yu-Dong Han, Si-Da Liu, Wen-Zhuo Zhu, Ming-Zheng Peng, Qiang Lin, Department of Thoracic Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200080, China
Jing-Pei Li, Department of Thoracic Surgery, Guangzhou Medical University First Affiliated Hospital, Guangzhou 510120, Guangdong Province, China
Author contributions: Li Z and Li JP contributed equally to this work; Li Z, Li JP and Xu BB collected and analyzed the data; Li Z and Qin X drafted the manuscript; Han YD and Liu SD provided analytical oversight; Peng MZ offered technical and material support; Li Z and Lin Q supervised the study and provided administrative support; all authors have read and approved the final version to be published.
Institutional review board statement: This study was approved by the Clinical Ethics Committee of Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University.
Informed consent statement: All study participants provided informed written consent prior to study enrollment.
Conflict-of-interest statement: No conflict of interest is declared.
Data sharing statement: No additional data are available.
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: Qiang Lin, MD, Department of Thoracic Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, No. 100 Hai Ning Road, Shanghai 200080, China. firstname.lastname@example.org
Received: April 20, 2015
Peer-review started: April 21, 2015
First decision: June 19, 2015
Revised: July 8, 2015
Accepted: August 31, 2015
Article in press: August 31, 2015
Published online: October 7, 2015