Truong, Thanh-Huong
Kim, Ngoc-Thanh
Nguyen, Mai-Ngoc Thi
Do, Doan-Loi
Nguyen, Hong Thi
Le, Thanh-Tung
Le, Hong-An
Article History
Received: 28 January 2021
Accepted: 12 April 2021
First Online: 5 May 2021
Declarations
:
: The Council for Science and Ethics Committee for the human study, Department of Cardiology, Hanoi Medical University (no: 6655/QD-DHYHN) of Vietnam had approved this study. All participants and legally authorized representatives of minors below 18 years of age provided written informed consent after receiving clear explanation of the study objective and procedures. Participants were allowed to withdraw from the interview at any time. All personal information was kept confidential and only anonymous data were utilized for the study. All the experiment protocol for involving human data was in accordance with the Declaration of Helsinki.
: All participants provided their consent for publication.
: The authors have no competing interests to declare.