Article History
Received: 7 August 2025
Accepted: 13 July 2026
First Online: 5 August 2026
Declarations
Ethics approval and consent to participate: The study protocol was approved by the Ethics Committee of the Yuying Children’s Hospital, Second Affiliated Hospital of Wenzhou Medical University (Approval No.2025-K-162-01) The committee waived the requirement for informed consent from the infants’ guardians for accessing medical records. Patient data were handled confidentially in strict accordance with institutional regulations. I confirm that all methods were performed in accordance with the relevant guidelines. All procedures were performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.