Funding for this research was provided by:
kreftforeningen (182759-2016, 208336-2019, 190188-2017)
helse sør-øst rhf (2016123, 2017102, 2019042)
norges forskningsråd (250993, 287899)
Received: 28 June 2021
Accepted: 31 August 2021
First Online: 8 September 2021
: The study has been approved by the Norwegian Data Protection Authority and the Regional Committee for Medical and Health Research Ethics, South‐Eastern Norway (reference 2010/1805 and 2017/780). Sample collection and research biobanks were conducted after obtaining written informed consent in accordance with the Declaration of Helsinki and national legislation.
: All authors approved the final manuscript for publication.
: The authors declare no potential conflicts of interest.