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Article History

Received: 11 October 2022

Accepted: 10 May 2023

First Online: 5 June 2023

Declarations

:

: The authors have no conflicts of interest.

: The study was submitted to the cantonal ethics committee in Geneva (Req-2018-00356) who answered that, according to Swiss law, the app being no medical device, the study did not legally need approval from this commission. Therefore, the commission did not formally review our proposal, but answered that: ‘everything indicates that this study will take place in compliance with the general ethical principles applicable to any research involving people’ [e-mail dated 16 May 2018; address: Commission Cantonale d’Ethique de la Recherche (CCER), rue Adrien-Lachenal 8, 1207 Geneva, Switzerland]. Clinical trial registration: ISRCTN Registry: ISRCTN11318024, 17 May 2018. .

: Informed consent was obtained online from participants in the study.

: No consent was needed for publication.