Liu, Gaiyan
Guo, Jinxin
Zhang, Xuejing
Lu, Yu
Miao, Junjie
Xue, Hongmei
Article History
Received: 28 May 2021
Accepted: 7 October 2021
First Online: 16 November 2021
Declarations
:
: This study was approved by the Ethics Committee of Xingtai Third Hospital (Approved number: 2020-KY-40) and adhere to the Helsinki Declaration in the course of implementation. All children and their parents gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.