Li, Dandan
Li, Ting
Niu, Yan
Xiang, Jie
Cao, Rui
Liu, Bo
Zhang, Hui
Wang, Bin http://orcid.org/0000-0001-7771-5360
Funding for this research was provided by:
National Natural Science Foundation of China (61503272)
Natural Science Foundation of Shanxi Province (2015021090)
China Postdoctoral Science Foundation (2016M601287)
the Shanxi Provincial Foundation for Returned Scholars, China (2016-037)
the Scientific Research Foundation for Returned Overseas Chinese Scholars
Article History
First Online: 11 May 2018
Compliance with ethical standards
:
: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: The study was carried out in strict accordance with the University of California, Los Angeles Institutional Review Board.
: After receiving a thorough explanation, all participants gave written informed consent according to the procedures approved by the University of California Los Angeles Institutional Review Board.