Gutacker, Nils http://orcid.org/0000-0002-2833-0621
Kinge, Jonas Minet http://orcid.org/0000-0002-2789-6113
Olsen, Jan Abel http://orcid.org/0000-0001-9472-2669
Funding for this research was provided by:
Norges Forskningsråd (273812, 273812)
Article History
Received: 20 November 2022
Accepted: 12 April 2023
First Online: 3 May 2023
Declarations
:
: The research was conducted in accordance with the Declaration of Helsinki. Ethics approval for the use of the registry data was granted, and participant consent was waived by the Regional Committee for Medical and Health Research Ethics South-East Norway, reference number 2013/2394. The study does not involve human embryos, gametes, stem cells, animals, plants, or palaeontological or geological material.
: Not applicable.
: NG and JAO are members of the EuroQol Group that developed the EQ-5D-5L and EQ-VAS instruments. The authors declare that they have no other competing interests.