Yu, Hong-kui
Xia, Bei https://orcid.org/0000-0003-4568-703X
Liu, Xiao
Han, Chunxi
Chen, Weiling
Li, Zhihui
Funding for this research was provided by:
Shenzhen Municipal Health and Family Planning Commission foundation (201402051)
Shenzhen Municipal Science and Technology Innovation Committee Foundation (JCYJ20140416141331487)
Article History
Received: 25 February 2018
Accepted: 4 August 2018
First Online: 13 August 2018
Compliance with ethical standards
:
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: 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.