Yan, Yousheng
Zhang, Chuan
Jin, Xiaohua
Zhang, Qinhua
Zheng, Lei
Feng, Xuan
Hao, Shengju
Gao, Huafang
Ma, Xu
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000307, and 2018YFC1002201)
Natural Science Foundation of Gansu Province (18JR3RA036)
Article History
Received: 21 September 2018
Accepted: 20 January 2019
First Online: 12 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study 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 this study.