Zhang, Mingxin
Liu, Xiaoyan
Liu, Xiang
Li, Hanzhong
Sun, Wei
Zhang, Yushi http://orcid.org/0000-0002-3382-7157
Article History
Received: 1 September 2019
Accepted: 29 October 2019
First Online: 16 November 2019
Compliance with ethical standards
:
: The authors declare no conflict of interests.
: 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.