Knudsen, Markus Dines http://orcid.org/0000-0001-9306-8327
Hoff, Geir
Tidemann-Andersen, Ida
Bodin, Gry Ekeberg
Øvervold, Sissel
Berstad, Paula http://orcid.org/0000-0002-9025-4455
Funding for this research was provided by:
ExtraStiftelsen (2018/HE1-214107)
Article History
First Online: 28 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: When signing up for Kantar Web Panel, the participants gave their informed consent for their data to be used for scientific research. Data was anonymized for the researchers. Because anonymous data was used, there is no requirement of approval by research ethical committee according to the Norwegian health research law § 4-d.