Yao, Wenshui
Zhang, Longxin http://orcid.org/0000-0002-1285-5634
Lu, Guolin
Wang, Jing
Zhang, Li
Wang, Yuping
Xiao, Peihan
Chen, Xiaofen
Chen, Chanjuan
Zhou, Min
Article History
Received: 8 June 2021
Accepted: 18 November 2021
First Online: 1 December 2021
Declarations
:
: The study was approved by the Fujian Provincial Maternity and Children’s Hospital, Research Ethics Committee, Fujian, with approval code 2020KY069 on April 9 2020.All methods were performed in accordance with the Declaration of Helsinki. Informed consent to participate in the study was signed and obtained from all the children and their guardians.
: Not applicable.
: The authors declare that they have no competing interests.