Michel, Yvonne Anne
Aas, Eline
Augestad, Liv Ariane
Burger, Emily
Thoresen, Lisbeth
Bjørnelv, Gudrun Maria Waaler http://orcid.org/0000-0003-4997-5426
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
Article History
Received: 29 March 2023
Accepted: 19 March 2024
First Online: 30 May 2024
Declarations
:
: The Norwegian Ethics Committee and the Norwegian Data Protection Authority (ref no 2013/2090), in addition to all the registry owners, approved this study. Registry owners gave us administrative permission to access and use the data. The registry owners include the Norwegian Directorate of Health, the National Institute of Public Health, and Statistics Norway. The need for informed consent was waived by the Regional Committee for Medical Research Ethics South East Norway, since data was retrieved from national registries for the purpose of research, for which informed consent is not required. We confirm that all methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.