Wang, Wuyi
Wan, Lin
Wu, Shiyang
Yang, Jianguo
Zhou, Yang
Liu, Fang
Wu, Zhengzheng
Cheng, Yong
Article History
Accepted: 29 May 2018
First Online: 14 June 2018
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Ethics Committee of the First Affiliated Hospital of Chongqing Medical University.
: Informed consent was obtained from all the patients included in the study.