About the Authors

Betina Højgaard

beh@dsi.dk

Affiliations Danish Institute for Health Services Research, Copenhagen, Denmark, Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark

Dorte Gyrd-Hansen

Affiliations Danish Institute for Health Services Research, Copenhagen, Denmark, Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark

Kim Rose Olsen

Affiliation Danish Institute for Health Services Research, Copenhagen, Denmark

Jes Søgaard

Affiliation Danish Institute for Health Services Research, Copenhagen, Denmark

Thorkild I. A. Sørensen

Affiliation Institute of Preventive Medicine, Copenhagen University Hospital, Centre for Health and Society, Copenhagen, Denmark

Competing Interests

Years ago, two of the authors were members of the former Advisory Board of Sanovi Aventis, Denmark. Thokild I.A. Sørensen have ongoing collaborations about causes and consequences with Nestlé Research Centre, Lausane, and DSM, the Netherlands.

Author Contributions

Conceived and designed the experiments: TIAS BH DGH KRO JS. Analyzed the data: TIAS BH DGH KRO JS. Wrote the paper: TIAS BH DGH KRO JS.