About the Authors

Lars T. Fadnes

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

lars.fadnes@uib.no

Affiliations Department of Global Public Health and Primary Care, University of Bergen, Norway, Bergen Addiction Research, Department of Addiction Medicine, Haukeland University Hospital, Bergen, Norway

Jan-Magnus Økland

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – review & editing

Affiliations Department of Global Public Health and Primary Care, University of Bergen, Norway, Bergen Center for Ethics and Priority Setting, University of Bergen, Norway

Øystein A. Haaland

Contributed equally to this work with: Øystein A. Haaland, Kjell Arne Johansson

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

Affiliations Department of Global Public Health and Primary Care, University of Bergen, Norway, Bergen Center for Ethics and Priority Setting, University of Bergen, Norway

Kjell Arne Johansson

Contributed equally to this work with: Øystein A. Haaland, Kjell Arne Johansson

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

Affiliations Department of Global Public Health and Primary Care, University of Bergen, Norway, Bergen Addiction Research, Department of Addiction Medicine, Haukeland University Hospital, Bergen, Norway, Bergen Center for Ethics and Priority Setting, University of Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.