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Article History

Received: 28 July 2020

Accepted: 17 August 2021

First Online: 6 September 2021

Declarations

:

: The project was ethical reviewed and approved by the Norwegian Centre of Research Data (project number 51037). The Norwegian Centre for Research Data provides privacy services for the University of Stavanger. The Data Protection Office at the University of Stavanger is legally responsible for the ethical approval of this study and for handling of the data in the project.All participants in this study were informed about anonymity, confidentiality, publication, and their right to withdraw from the study at any time without any consequences. The students consented to participate by filling out the questionnaire. This procedure was approved by The Norwegian Centre for Research Data.In addition, study participation was assessed and approved according to national guidelines in Spain and in the UK. In Spain, it was approved by the Research and Ethics Committee of CVU (reference 301,117). In the UK, it was approved by the Faculty of Medicine and Health Sciences Ethics Committee on 30 May 2017 (Ethics Reference Number H14112016).

: Not applicable.

: No competing interests.