Zhang, Xiaoling
Ma, Xiaofang
Li, Yanxia
Yan, Weiheng
Zheng, Quan
Li, Lili
Yan, Yulan
Liu, Xiaozhi
Zheng, Jun
Funding for this research was provided by:
National Natural Science Foundation of China (81872184)
the Tianjin Natural Science Foundation (18JCQNJC12800)
Tianjin Binhai New Area Health and Family Planning Commission Science and Technology Projects (2015BWKY001, 2016BWKY026)
Article History
First Online: 3 June 2020
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: Not applicable.
: This article does not contain any studies with human participants or animals performed by any of the author.