Wang, Pengcheng http://orcid.org/0000-0002-0241-1888
Lei, Li
Funding for this research was provided by:
the Outstanding Innovative Talents Cultivation Funded Programs 2017 of Renmin University of China, (none)
the Key Research Institute in Humanities and Social Sciences of the Ministry of Education (14JJD190005)
fund building world-class universities (disciplines) of Renmin University of China (none)
Article History
First Online: 18 March 2019
Compliance with Ethical Standards
:
: 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.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.