Funding for this research was provided by:
The Region of Southern Denmark
Received: 29 April 2019
Accepted: 3 February 2020
First Online: 6 February 2020
Ethics approval and consent to participate
: The project was registered with the Danish Data Protection Agency with registration number 18/27313, and permission was granted by the management of the Spine Centre.According to Danish law, ethical approval from the National Committee for Health Research Ethics is not required for conducting interviews as long as data are used anonymously. The patients were informed by providing oral information, and written consent was obtained prior to all interviews
: Written consent for publication was obtained from each participant prior to the interview. The patients were informed that they could withdraw their consent at any point during the project without consequences for their treatment. Data were depersonalised to ensure anonymity.
: The authors declare that they have no competing interests.