Quynh, Tran Anh
Hien, Pham Duy
Du, Le Quang
Long, Le Hoang
Tran, Nguyen Thi Ngoc
Hung, Tran
Article History
Received: 13 December 2020
Accepted: 5 April 2021
First Online: 11 April 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or National Research Committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was also approved by The Vietnam National Children’s Hospital Institutional Review Board.
: All data were collected anonymously, and patient consent was not required.