Article History
Received: 14 February 2022
Revised: 13 April 2022
Accepted: 14 April 2022
First Online: 10 May 2022
Declarations
:
: Le Ngoc Ha, Nguyen Dinh Chau, Bui Quang Bieu, and Mai Hong Son declare that they have no conflict of interest.
: This study was approved by the institutional review board of Central Military Hospital 108 (approval no. 165/QD-V108).
: As the procedures involved were standard of care, the committee agreed to waive the need for written informed consent.