Fu, Fang
Li, Ru
Lei, Ting-ying
Wang, Dan
Yang, Xin
Han, Jin
Pan, Min
Zhen, Li
Li, Jian
Li, Fa-tao
Jing, Xiang-yi
Li, Dong-zhi
Liao, Can https://orcid.org/0000-0002-0056-5453
Funding for this research was provided by:
National Natural Science Foundation of China (81671474, 81771594, 81873836)
Natural Science Foundation of Guangdong Province (2017A030313460)
Major Project of the Department of Science and Technology of Guangdong Province (2014B020213001, 2013B022000005)
Major Project of the Department of Science and Technology of Guangzhou (2014Y2-00059, 201604020012, 201704020108)
Municipal Healthcare Joint-Innovation Major Project of Guangzhou phase III
Article History
Received: 26 February 2020
Accepted: 22 June 2020
First Online: 21 July 2020
Compliance with ethical standards
:
: The authors declare they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethical Board of the Guangzhou Women and Children's Medical Center and adheres to the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent forms were signed by participating individuals or their guardians.