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Article History

Received: 25 November 2020

Accepted: 22 December 2020

First Online: 18 January 2021

Ethics approval and consent to participate

: This trial has been approved by the Hong Kong Polytechnic University (Ethical Review for Teaching/Research Involving Human Subjects, Faculty Research Committee (HSEARS20161228002–2) and the Clinical Research Ethics Approval (Clinical Research Ethics Sub-Committee (CRES, CRESC201808–01). Ethical assessment for MRI experiments has been conducted (16th April 2019, MR Imaging Unit, University of Hong Kong, the Scientific Committee). The University’s Master Clinical Trial Insurance for the study participants has been approved (ASI19903139A). Ethical assessment for the study has been conducted at two study settings (KCC/KEC-2019-0063; HKECREC–2019-041). Licences for the data collection and games have been purchased, and MRI services have been obtained (tender process).Participants will be informed that they have the possibility to withdraw their consent, and they will be made aware that data collected before withdrawal may be used for research purposes. Participants will also be informed about confidentiality of the data collected and that refusal or withdrawal from the study will not affect their status in service organisations.

: Not applicable. Details, images, photos, videos or game results relating to individual participants or study organisations will not be published.

: Authors declare that they have no competing interests.