text: 2.2 Ethical considerations 
  
  The study was conducted according to the Declaration of 
  Helsinki and approved by the Regional Committee for Medical 
  Research Ethics in North Norway (REK North: 174837). Written 
  informed consent was obtained prior to the intervention and 
  conﬁrmed verbally when arranging the interviews. Participation 
  was voluntary and anonymous, 
  and the participants were 
  informed about the opportunity to withdraw from the study. The 
  Consolidated Criteria for Reporting Qualitative Research (COREQ) 
  (25) were used to optimize the conduct and reporting of the study. 