Article History
Received: 3 April 2020
Accepted: 13 October 2020
First Online: 21 October 2020
Ethics approval and consent to participate
: The project was approved by the Norwegian Centre for Research Data (reference number 57647) prior to study start. It was considered that approval by the Regional Committees for Medical and Health Research Ethics was not required [CitationRef removed]. Further, the research ethical considerations of the project were clarified in accordance with the requirements of the Declaration of Helsinki with regard to informed consent, confidentiality and anonymization of data [CitationRef removed]. The participants received written and oral information about the study prior to the interviews. Written consent was obtained from the participants at the time of each interview.
: Not applicable.
: The authors declare that they have no competing interests.