Funding for this research was provided by:
Health Care and Promotion Fund (02180538)
Received: 8 January 2021
Accepted: 17 January 2021
First Online: 22 January 2021
Ethics approval and consent to participate
: The Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (UW 19–090) approved this study. Schools sent opt-out consent forms for the evaluation to all parents of students participants at the beginning of the school year. Students whose parents chose for them to opt out of the evaluation will be excluded from this study. All adult participants (i.e. teachers, school management, social workers, guidance counsellors and parents of students) will provide written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.