Stebbings, Sara
Rotevatn, Torill Alise
Larsen, Vilde Bergstad
Surén, Pål
Elstrøm, Petter
Greve-Isdahl, Margrethe
Johansen, Tone Bjordal
Astrup, Elisabeth
Funding for this research was provided by:
Norwegian Institute of Public health
Article History
Received: 12 November 2021
Accepted: 18 July 2022
First Online: 30 July 2022
Declarations
:
: Our research was granted approval by the Regional Ethics Committee of South-East Norway 28<sup>th</sup> June 2021, where the need to obtain informed consent was waived (reference number #240725). All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: All authors have completed the ICMJE uniform disclosure at and declare: no support from any organization for the submitted work. PS received a grant from the OAK Fellowships Programme in Molecular and Environmental Epidemiology (Grant number OCAY-12–356) and took part as an expert witness in court cases for the National Office for Health Service Appeals. Apart from this, the authors had no financial relationships with any organizations that might have an interest in the submitted work in the previous three years, or no other relationships or activities that could appear to have influenced the submitted work.