Keng, Shian-Ling http://orcid.org/0000-0002-7564-2425
Ang, Qiuluan
Funding for this research was provided by:
National University of Singapore (R-581-000-153-133)
Article History
First Online: 20 March 2019
Compliance with Ethical Standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the National University of Singapore’s Institutional Review Board.
: Informed consent was obtained from all individual participants included in the study.