Li, Hongxin
Zhou, Lin
Zhao, Yong
Ma, Lijuan
Zhang, Haihua
Liu, Yan
Liu, Xiaoyan
Hu, Jin
Funding for this research was provided by:
Research Foundation of Capital Institute of Pediatrics (No. PY-2020-05)
Article History
Received: 29 July 2022
Accepted: 3 February 2023
First Online: 13 February 2023
Declarations
:
: The authors declare no competing interests.
: This study was approved by the ethics committee of the Capital Institute of Pediatrics. Informed written consent were obtained from the participants’ guardians before collecting samples, and anonymity of the participants was guaranteed. This study was conducted in accordance with the ethical principles that have their origin in the Declaration of Helsinki and that are consistent with Good Clinical Practice and applicable regulatory requirements.
: Not applicable.
: The authors declare no competing interests.