Fan, Jiaying
Qin, Kang
Li, Kuanrong
Li, Xiaojun
Huang, Qingsheng
Liao, Yunsheng
Liang, Huiying
Xie, Jingying
Yang, Yan
Li, Qingfeng http://orcid.org/0000-0002-0507-8363
Article History
Received: 14 June 2020
Accepted: 2 November 2020
First Online: 16 November 2020
Compliance with ethical standards
:
: All authors declare that they have no competing interests. Completed disclosure of interest forms are available to view online as supporting information.
: This study was approved by the Guangzhou Women and Children’s Medical Center Ethics Committee (No. 2017102709) and written informed consent was obtained from all participants.