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Article History

Received: 20 September 2018

Accepted: 24 March 2019

First Online: 24 April 2019

Ethics approval and consent to participate

: According to Swiss Federal Law 118b on human subject research (C.f. ), this study did not require the approval of an ethics committee, due to the type of data collected and its method of collect. The data collection process was entirely anonymous. The types of questions asked could not bring up any singular information that would make participants identifiable in the database and the results are presented in an aggregate manner. Participants could freely choose not to participate, no incentives were linked to their participation and there was no risk associated with taking part in the survey.

: Not applicable.

: The authors declare that they have no competing interests.

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