Gu, Yan
Zang, Peng
Li, Li-qin
Zhang, Hui-zhi
Li, Ji
Li, Jin-xia
Yan, Yan-yan
Sun, Shu-mao
Wang, Jia
Zhu, Zhuang-yan
Funding for this research was provided by:
doctoral start-up grant from Shanxi Datong University (2013-25)
Article History
Received: 25 March 2018
Accepted: 4 June 2018
First Online: 12 July 2018
Compliance with ethical standards
:
: The authors declare that they have 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.
: All the procedures were approved by institutional ethics review board of Datong NO.3 People’s Hospital, and written informed consent was obtained from each participant.