Funding for this research was provided by:
Akershus Universitetssykehus (n/a)
Received: 13 January 2020
Accepted: 27 August 2020
First Online: 9 September 2020
Ethics approval and consent to participate
: The study was approved by the Regional Committee of Medical and Health Research Ethics (ref: 2014/435) and the National Committee for Medical and Health Research Ethics (ref: 2014/160), both of which are appointed by the Norwegian Ministry of Education and Research. It was also approved by the Privacy Ombudsman at Akershus University Hospital (ref: 13/138). Written consent was given by all participants prior to interview.
: All participants signed a consent form permitting anonymised extracts from their interviews to be used as part of academic publications.
: Torleif Ruud is an Associate Editor of BMC Health Services Research. The other authors have no competing interests to declare.