Liu, Chen http://orcid.org/0000-0002-0250-1875
Huang, Minxiang
Liu, Fang
Xu, Xiaoliang http://orcid.org/0000-0003-3994-6154
Feng, Wenyu
Han, Guoxiu
Liu, Xijie
Zheng, Bufeng
Geng, Lei http://orcid.org/0000-0003-0216-5602
Fu, Tingliang http://orcid.org/0000-0002-3048-1357
Article History
Received: 4 May 2021
Accepted: 3 August 2021
First Online: 11 August 2021
Declarations
:
: Informed consent was obtained from the parents/legal guardian(s) of all children involved in the study. All methods of the study protocol were approved by the Ethics Committee of Binzhou Medical University Hospital in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.