Funding for this research was provided by:
Received: 8 October 2018
Accepted: 10 January 2019
First Online: 5 February 2019
Ethics approval and consent to participate
: The study was, according to Danish legislation, exempted from ethical approval [CitationRef removed]. Participation was anonymous and voluntary, and no retaliation occurred regardless of respondents’ stated perceptions. Furthermore, all study stages were conducted under strict consideration of The Declaration of Helsinki [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.
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