Engen, Tone
Owe, Katrine Mari
Horn, Julie
Sulo, Gerhard
Næss, Øyvind Erik
Juliusson, Petur Benedikt
Morken, Nils-Halvdan
Egeland, Grace Margrethe
Article History
Received: 20 April 2021
Accepted: 22 February 2022
First Online: 20 April 2022
Declarations
:
: All Cohort Norway health survey participants signed informed consent for participation in longitudinal follow-up evaluations assuring anonymity, confidentiality and that participation was voluntary. The study protocol was developed by the Norwegian Institute of Public Health in accordance with the World Medical Association Declaration of Helsinki and approved by The Regional Committees for Medical and Health Research Ethics (reference number 2010/260), governed by the Norwegian Health Registry Act. The internal review board of The Norwegian Institute of Public Health approved the use of data for the present study.
: Not applicable.
: The authors declare that they have no competing interests.