Funding for this research was provided by:
Cancerfonden (19 0008 Pj 01 H)
Lions Cancer Research Foundation (1050097)
Received: 13 May 2020
Accepted: 17 June 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Committee in Uppsala (Dnr 2012/099). Participants received written information and consent was given by opt-in, as approved by the Ethics Committee. Women were sent an invitation with a self-sampling kit and if they agreed to participate they performed self-sampling and sent the sample to the laboratory.
: Not applicable.
: The authors declare that they have no competing interests.