Ethical Considerations
The study was approved by the University of Melbourne Human Research Ethics Committee (project 2021-22524-23553-5) and prospectively registered (ACTRN12621001701819). Reporting followed CONSORT (Consolidated Standards of Reporting Trials) guidelines (Participants provided written informed consent via the REDCap web application. All participants received a full explanation of the study, in lay terms, relating to the aims of the study, study procedures, and potential risks and benefits in taking part before providing informed consent. The participants were reminded that they can withdraw from the study at any time without prejudice. Participants were provided with a copy of the participant information and consent form and were reimbursed Aus $45 (US $29) for completing each assessment session. The participants were not reimbursed for their use of the Mello app.