Document is current
Any future updates will be listed below
-
Authors
Nguyen, Thuy Linh
Ta, Thanh Nga
Nguyen, Thuy Trang
Pham, Thi Tuyet Chinh
Nguyen, Thi Thanh Mai
Pham, Thi Minh Phuong
Dinh, Thi Kim Anh
Hoang, Khac Tuan Anh
- License Information
-
More Information
Article History
Received: 4 November 2025
Accepted: 21 May 2026
First Online: 13 June 2026
Declarations
:
: This study was approved by the Hanoi Medical University Institutional Review Board (HMU-IRB), approval number 1478/GCN-HMUHIRB dated April 26, 2024. Permission was also obtained from the Dong Anh Town Department of Education and Training and Viet Hung Kindergarten. Written informed consent was obtained from parents or legal guardians of all participating children, ensuring that all data were reported in anonymized form without personal identifiers.
: Consent to Publish were obtained from all participants.
: The authors declare no competing interests.
