Yu, Xiaohui http://orcid.org/0000-0001-8069-613X
Du, Zhiping
Zhang, Qiang
Zou, Zhengxing
Zhou, Zhen
Pang, Jinhui
Funding for this research was provided by:
National Natural Science Foundation of China (71801016)
General Projects of Social Science Program of Beijing Education Commission (SM201910037007)
Article History
First Online: 30 November 2019
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. 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.