The aims of the present study are to assess the effects of a hrHPV self-sampling test as strategies to reach non-attending women in organized cervical screening in comparison with standard recall by letter in 8000 women; to evaluate the performance of two self sampling devices with and without a preservative buffer and to explore their acceptability among invited women and to evaluate a molecular triage approach for management of HPV positive women in self sampling collected material by HPV genotyping and DNA methylation marker panel