About the Authors

Brian Køster

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Koester_brian@yahoo.com

Affiliation Department of Prevention and Information, Danish Cancer Society, Denmark

Mia N. Nielsen

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliations Department of Prevention and Information, Danish Cancer Society, Denmark, Roskilde University Center, Roskilde, Denmark

Karina Kreipke Vester

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliations Department of Prevention and Information, Danish Cancer Society, Denmark, Roskilde University Center, Roskilde, Denmark

Peter Dalum

Roles Conceptualization, Funding acquisition, Methodology, Resources, Supervision, Writing – review & editing

Affiliation Department of Prevention and Information, Danish Cancer Society, Denmark

Competing Interests

The authors have read the journal’s policy and have the following potential competing interests: TrygFonden funded this study. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products associated with this research to declare."