Li, Ming Hui
Sum, Raymond Kim Wai http://orcid.org/0000-0002-4051-9945
Sit, Cindy Hui Ping
Wong, Stephen Heung Sang
Ha, Amy Sau Ching
Funding for this research was provided by:
General Research Fund (14602516)
Direct Grant 2018
Article History
Received: 6 May 2019
Accepted: 4 February 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: Ethics approval for the cross-sectional study was obtained from the Survey and Behavioral Research Ethics Committee from the Faculty of Education, the Chinese University of Hong Kong. Written informed consent was obtained from parents or legal guardians, and participating children also provided verbal assent before participation.
: Not applicable.
: The authors declare that they have no competing interests.