Funding for this research was provided by:
Helse Vest (911834)
Norges Forskningsråd (273645)
Received: 29 August 2019
Accepted: 28 June 2020
First Online: 11 July 2020
Ethics approval and consent to participate
: The study was approved by the Regional Committee for Medical and Health Research Ethics (2013/2181) and the Norwegian Social Science Data Services. The anonymity of the respondents was ensured as they were not asked to provide any personal information that could identify them Respondents provided their consent by pressing the “next” button in the online version or signed a declaration of consent (for those who completed the survey on paper).
: The authors declare that they have no conflicts of interest.