Hanh, Nguyen Thi Hong
Trang, Do Thi Nhu
Thu, Nguyen Thi Trung
Tuyet, Le Thi
Article History
Received: 16 February 2023
Accepted: 10 September 2024
First Online: 18 September 2024
Declarations
:
: The project was approved by the Medical Ethics Council of the Institute of Nutrition with Decision No. 343/VDD-QLKH on July 27, 2018. All methods were carried out in accordance with relevant guidelines and regulations. The parents or guardians of all children were clearly explained the purposes of the study. They were given and signed the written informed consent form.
: NA.
: All author declares that there is no conflict of interest.
: The authors declare no competing interests.