Received: 13 November 2017
Accepted: 12 April 2018
First Online: 27 April 2018
Ethics approval and consent to participate
: The experiments were exempt from the Regional Committee for Medical Research Ethics, as advised by a Committee member. We followed ethical guidelines from the Data Protection Official for Research [CitationRef removed]. Participants gave their consent by clicking the survey link after reading about the purpose of the project, anonymized data collection, and voluntary participation.
: The authors declare that they have no competing interests.
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