Zhang, Fan
Zhang, Yuanyuan
Ke, Chaofu
Li, Ang
Wang, Wenjie
Yang, Kai
Liu, Huijuan
Xie, Hongyu
Deng, Kui
Zhao, Weiwei
Yang, Chunyan
Lou, Ge
Hou, Yan
Li, Kang
Article History
Received: 10 July 2017
Accepted: 13 January 2018
First Online: 26 April 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: All procedures performed in 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.
: Informed consent was obtained from all individual participants included in the study.