About the Authors

Marit Graue

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

marit.graue@hvl.no

Affiliation Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway

Jannicke Igland

Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliations Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway, Department Global Public Health and Primary Care, University of Bergen, Bergen, Norway

Anne Haugstvedt

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway

Ingvild Hernar

Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliations Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway, Department of Internal Medicine, Haukeland University Hospital, Bergen, Norway

Kåre I. Birkeland

Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliation Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Vibeke Zoffmann

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliations Interdisciplinary Research Unit of Women’s, Children’s and Families’ Health, Julie Marie Centre, Rigshospitalet, Copenhagen, Denmark, Institute of Public Health Copenhagen University, Copenhagen, Denmark

David A. Richards

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway

Beate-Christin Hope Kolltveit

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

Affiliations Department of Health and Caring Sciences, Western Norway University of Applied Sciences, Bergen, Norway, Vossevangen Medical Center, Voss, Norway

Competing Interests

KIB has received research support from Astra Zeneca, Bayer, Boehringer Ingelheim, Lilly, MSD, Novo Nordisk, Roche, Sanofi and Sysmex Norway, AH has received honoraria for speaking at meetings from Novo Nordisk and Abbot. IH has received honoraria for speaking at meetings from Novo Nordisk. The other authors have no relevant competing interest to disclose. This does not alter our adherence to PLOS ONE policies on sharing data and materials.