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Authors
Khiem, N. T.
Lien, T. V.
Ninh, V. T. A.
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Funding
Funding for this research was provided by:
National Foundation for Science and Technology Development (107.01-2015.20)
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Article History
Received: 2 November 2016
Accepted: 22 May 2018
First Online: 4 August 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
