Received: 8 January 2020
Accepted: 25 February 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: The study followed the codes of ethics stipulated in the Helsinki II Declaration. The study was approved by the Danish Data Protection Agency (Rec. No.: NOH-2016–024). According to Danish legislation, interview studies require no approval from an ethics committee.Written consents were obtained from all study participants.
: Not applicable.
: The authors declare that they have no conflict of interest.