Received: 11 March 2020
Accepted: 14 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The data is available from NSD (Norwegian Centre for Research Data) upon request. We signed a privacy contract before we started analysing the data. The survey was approved by the regional ethical committee and the participants gave written consent. The participants were free to withdraw at any time and their data was deleted immediately with no consequences.
: As our manuscript does not include any individual data or sensitive personal information, therefore consent for publication is “Not Applicable” in this case.
: The authors declare no competing interest.