Liu, Jing-Dong
Chung, Pak-Kwong
Funding for this research was provided by:
General Research Fund, Research Grant Council (12401814)
Article History
Accepted: 30 August 2018
First Online: 5 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by Committee on the Use of Human and Animal Subjects in Teaching and Research, Hong Kong Baptist University. 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 all individual participants and their parents who participated in the study.