About the Authors

Ellen Annandale

ellen.annandale@york.ac.uk

Affiliation Department of Sociology, University of York, York, United Kingdom

Anne Hammarström

Affiliation Department of Public Health and Clinical Medicine, Unit of Social Medicine, Umeå University, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AH. Performed the experiments: EA AH. Analyzed the data: EA AH. Wrote the paper: EA AH.