Tu, Qing
Gan, Jianhui http://orcid.org/0000-0002-4946-3554
Shi, Jinlin
Yu, Hong
He, Shuangliang
Zhang, Jian
Article History
Received: 1 February 2018
Accepted: 16 March 2018
First Online: 20 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict 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.
: Informed consent was obtained from all individual participants included in the study.