Zhu, Xueli
Geng, Yaoguo
Sai, Xueying
Yang, Minqi
Toh, Chai Wei
Zhan, Tingting
Yu, Jiejing
Shi, Liping
Funding for this research was provided by:
Education Programs of National Social Science Fund of China (BBA170064)
Article History
First Online: 10 August 2019
Compliance with Ethical Standards
:
: No conflict of interest with respect to this manuscript, and the manuscript is approved by all authors for publication.
: 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.