Do, Son Ngoc
Luong, Chinh Quoc
Pham, Dung Thi
Nguyen, My Ha
Ton, Tra Thanh
Hoang, Quoc Trong Ai
Nguyen, Dat Tuan
Pham, Thao Thi Ngoc
Hoang, Hanh Trong
Khuong, Dai Quoc
Nguyen, Quan Huu
Nguyen, Tuan Anh
Tran, Tung Thanh
Vu, Long Duc
Van Nguyen, Chi
McNally, Bryan Francis
Ong, Marcus Eng Hock
Nguyen, Anh Dat
Article History
Received: 4 June 2021
Accepted: 12 November 2021
First Online: 23 November 2021
Declarations
:
: The Bach Mai Hospital Scientific and Ethics Committees approved this study (approval number: 1785/QD–BM; research code: BM-2015–72). We also obtained permission from the heads of institutions and departments of all participating hospitals and their respective institutional review boards wherever available. The study was conducted according to the principles of the Declaration of Helsinki. The Bach Mai Hospital Scientific and Ethics Committees waived written informed consent for this non-interventional study, and public notification of the study was made by public posting. The authors who did the data analysis kept the data sets in password-protected systems and we present anonymized data.
: Not applicable.
: The authors declare that there are no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.