Article History
Received: 25 October 2018
Accepted: 18 November 2019
First Online: 17 December 2019
Ethics approval and consent to participate
: The study was approved by the Danish Data Protection Agency (Datatilsynet) [CitationRef removed]. According to Danish law at the time the study was conducted questionnaire surveys like the present one did not need approval from The Regional Ethical Committees of Southern Denmark (De Videnskabsetiske Komiteer for Region Syddanmark) (§ 14) [CitationRef removed]. Further, and in accordance with existing law consent to participate was given by ‘explicit enactment’, i.e. by submitting the questionnaire (§ 3) [CitationRef removed, CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.