Funding for this research was provided by:
Hogskolen i Innlandet
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2012-1736)
Received: 10 September 2019
Accepted: 1 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: Ethical approval was not required because the data we used are available to the international research community for public use. The data are anonymized, not allowing for identifying individual respondents (ExternalRef removed).
: Not applicable.
: The authors declare no competing interests.