Vu, Mai Chi http://orcid.org/0000-0003-3492-6496
Article History
Received: 5 June 2017
Accepted: 10 June 2019
First Online: 17 June 2019
Compliance with Ethical Standards
:
: The author declares that she has no conflict of interest.
: All procedures performed in research involving human participants have been in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants involved in the study.