Funding for this research was provided by:
Western Norway Regional Health Authority (HV912147)
Received: 27 May 2019
Accepted: 8 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: All participants signed a written consent form based on verbal and written information on the study purpose and the procedures for safe data handling and storage. They were also informed of their voluntary participation and their right to withdraw from the study. The study was approved by The Western Norwegian National Committee for Research Ethics in Social Sciences and the Humanities (No. 2017/284).
: Not applicable.
: The authors declare that they have no competing interests.