Teh, Elizabeth J.
Yap, Melvin J.
Rickard Liow, Susan J.
Article History
First Online: 3 July 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interests.
: 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.
: Informed consent was obtained from parents of all individual child participants included in the study, and verbal consent was obtained from all individual child participants included in the study.