Træen, Bente http://orcid.org/0000-0002-7335-9917
Kvalem, Ingela Lundin http://orcid.org/0000-0003-2406-2102
Funding for this research was provided by:
Universitetet i Oslo
University of Oslo
Article History
Accepted: 4 March 2022
First Online: 3 April 2022
Declarations
:
: The authors have no relevant financial or non-financial interest to disclose.
: This study was performed in line with the principles of the Declaration of Helsinki. All ethical guidelines develop for market- and poll organization surveys are guaranteed.
: The data for the study is currently available only to researchers invited to participate in the research team.