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Authors
Bich, Nguyen Ngoc
Dung, Nguyen Thi Thuy https://orcid.org/0000-0002-5781-4393
Vu, Tran
Quy, Lam Thi
Tuan, Nguyen Anh
Binh, Nguyen Thi Thanh
Hung, Nguyen Trong
Anh, Le Vu
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Funding
Funding for this research was provided by:
Atlantic Philanthropies
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Article History
Received: 5 November 2018
Accepted: 12 August 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: The study was approved by the ethics council of Hanoi University of Public Health (decision number 240/2015/YTCC-HD in 2015). Written consent form was signed and given by all participants.
: The written consent form that was signed by all participants included consent to publish their information as aggregated information (i.e., no personal information to identify persons should be published).
: The authors declare that they have no competing interests.
