Li, Hao
Zhao, Yuhuan http://orcid.org/0000-0003-2188-9702
Wang, Song
Lin, Jiang
Cao, Ye
Shi, Qiaoling
Liu, Ya
Xiao, Yanli
Li, Junjie
Funding for this research was provided by:
Beijing Natural Science Foundation (9172015)
Beijing Social Science Foundation (17JDYJB010)
Special Fund for Joint Development Program of Beijing Municipal Commission of Education (No.)
Article History
Received: 13 March 2019
Accepted: 11 July 2019
First Online: 26 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.