Zhang, Bing
Wu, Dianming
Liu, Mingkun
Bai, Jianxi
Chen, Fei
Zhang, Rong
Fang, Yifan
Article History
Received: 29 May 2021
Accepted: 21 October 2021
First Online: 13 November 2021
Declarations
:
: This study was approved by the Medical Ethics Committee of Fujian Maternal and Children’s Hospital, and the guardian of the child was informed about specimen collection procedures, examinations and project objectives; Informed consent was obtained from the guardians of all the patients. We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.