Yeo, GeckHong http://orcid.org/0000-0002-5817-990X
Article History
Accepted: 4 January 2021
First Online: 21 January 2021
Compliance with Ethical Standards
:
: The author declares no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee ([Blinded] Institutional Review Board; reference number: 13-188) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.