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Article History

Received: 27 July 2018

Accepted: 24 October 2018

First Online: 12 November 2018

Ethics Approval and Consent to Participate

: Informed consent was confirmed when individuals clicked on the survey link, thus authorising investigators to use their de-identified data for further analysis. This study was performed in accordance with the standards of ethics outlined in the Declaration of Helsinki and approved by the Research Ethic Committee at Universidad del Desarrollo, no. 2017-105.

: Not applicable

: The authors, Manuela Besomi and Jaime Leppe, declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.