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Authors
Nguyen, Hoang Thanh
Ngo, Tam Thi
Nguyen, Quang Viet
Van Ngo, Toan
Nguyen, Vung Dang
Nguyen, Hinh Duc
Nguyen, Hanh Thuy Thi
Gammeltoft, Tine
Meyrowitsch, Dan W.
Rasch, Vibeke
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Funding
Funding for this research was provided by:
Danish International Development Agency
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Article History
Received: 10 September 2019
Accepted: 17 July 2020
First Online: 29 July 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards. The study was approved by the Ethical Committee of Hanoi Medical University, Vietnam (Decision 137/HMU IRB dated November 29, 2013) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
