Guo, Chenguang
Xu, Hui
Niu, Xuan
Krimmel, Samuel
Liu, Jixin
Gao, Lin
Zhang, Ming
Wang, Yuan http://orcid.org/0000-0002-5692-2659
Funding for this research was provided by:
Natural Science Foundation of Shaanxi Province (2018JM7026)
Xi'an Science and Technology Project (201805102YX10SF36(3))
Fundamental Research Funds for the Central Universities in Xi’an Jiaotong University (xjj2018272)
Article History
Received: 22 May 2019
Accepted: 24 October 2019
First Online: 2 December 2019
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.
: Informed consent was obtained from all individual participants included in the study.