Received: 29 August 2019
Accepted: 30 January 2020
First Online: 5 February 2020
Ethics approval and consent to participate
: The participants in this study received written and oral information about the study and gave their written consent to participate before the focus group interviews started. The interview setting was well prepared and a respectful, non-judgmental atmosphere was emphasised. Participation in the study was voluntary and the participants were informed about their right to withdraw at any time. The participants are coded by number and focus group number (for example 1-FG1 (participant 1 in focus group 1) or 7-FG2 (participant 7 in focus group 2) for reasons of confidentiality due to the fact that there was only one male participant and most of the participants were physiotherapists. This study was registered at, and approved by the Norwegian Centre for Research Data (NSD) project number 48025. It adheres to the requirements and ethical guidelines contained in the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.