Li, Ruoxuan http://orcid.org/0000-0001-6095-7945
Liu, Hongrui http://orcid.org/0000-0001-6783-0066
Chen, Yunxiang http://orcid.org/0000-0002-8219-8262
Yao, Meilin http://orcid.org/0000-0002-0342-5990
Article History
First Online: 12 December 2019
Compliance with Ethical Standards
:
: All procedures performed in this study 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.
: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.