Funding for this research was provided by:
Health and Medical Research Fund (17180091)
Received: 9 November 2020
Accepted: 1 December 2020
First Online: 5 December 2020
Ethics approval and consent to participate
: All of the study procedures have been examined and approved by the Human Research Ethics Committee of the Education University of Hong Kong according to the Helsinki declaration (#A2018–0219-0261). A research assistant will obtain written informed consent and oral assent from parents and participants, respectively, before participants enroll into the interventions. All personal information of potential and enrolled participants will be collected only for research purpose and will be kept in strict confidentiality by the investigators and research assistants. Personal information will be stored separately from other research data and will be linked through codes known only to authorized research assistants. Hard copy materials will be kept in locked compartments and soft copy materials will be stored with password encryption. Videos with identifiable information will not be shown in public. All data will be kept for 5 years past completion of the study, then the data will be destroyed.
: Not applicable.
: The authors declare that they have no competing interests.