Funding for this research was provided by:
Helse- og Omsorgsdepartementet
Received: 15 January 2020
Accepted: 24 November 2020
First Online: 1 December 2020
Ethics approval and consent to participate
: The Data Protection Officer at the Norwegian Institute of Public Health recommended the survey, and was formally approved by the research director of the division for health services in the NIPH. The Norwegian Directorate of Health approved the use of data about non-respondents in non-response analysis, except for patients actively withdrawing from the study. Patients consented to participate in the survey in writing by answering and returning the questionnaire, the standard consent procedure in national patient experience surveys in Norway.
: Not applicable.
: HHI is an Associate editor of BMC Health Services Research. The authors confirm no other conflict of interest or competing interests.