Lilleborge, Marie http://orcid.org/0000-0003-3089-7851
Falk, Ragnhild S. http://orcid.org/0000-0001-8398-3492
Hofvind, Solveig http://orcid.org/0000-0003-0178-8939
Funding for this research was provided by:
Kreftforeningen (5746604)
Article History
Received: 10 September 2019
Accepted: 5 May 2020
First Online: 19 May 2020
Compliance with ethical standards
:
: The authors declare no conflict interest.
: The study was entirely based on data from the Cancer Registry of Norway. No contact was made with patients, relatives or their doctors. By law, all cancer cases in Norway are reported to the Cancer Registry of Norway. In BreastScreen Norway, 98% of women screened have approved for their data to be used for research and quality control.