Cheng, Xiao-Jun
Li, Guang-Bo
Zhang, Shuang-Shuang
Liu, Ying
Dong, Yi-Chen
Xue-Ning-Li,
Article History
Received: 19 October 2021
Accepted: 1 March 2022
First Online: 10 March 2022
Declarations
:
: The research related to human subject use complied with all the relevant national regulations and institutional policies. Ethics approval was granted by the Ethics Committee of the Fourth Affiliated Hospital of China Medical University (Number: EC-2018-KS-053). Written informed consent was obtained from all parents of the participating children.
: Not applicable.
: The authors have no competing interests.