Received: 26 May 2021
Accepted: 10 December 2021
First Online: 27 January 2022
: Participants provided informed consent to participate by ticking of the consent form at the start of the survey. The Regional Committee for Medical and Health Research Ethics, Western Norway approved the study (project number 131560). All methods were performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.