About the Authors

Ann Kristin Knudsen

Ann.Knudsen@psych.uib.no

Affiliations Department of Health Promotion and Development, Faculty of Psychology, University of Bergen, Bergen, Norway, Division of Mental Health, Department of Public Mental Health, Norwegian Institute of Public Health, Bergen, Norway

Simon Øverland

Affiliations Department of Health Promotion and Development, Faculty of Psychology, University of Bergen, Bergen, Norway, Division of Mental Health, Department of Public Mental Health, Norwegian Institute of Public Health, Bergen, Norway

Matthew Hotopf

Affiliation Institute of Psychiatry, King's College London, London, United Kingdom

Arnstein Mykletun

Affiliations Department of Health Promotion and Development, Faculty of Psychology, University of Bergen, Bergen, Norway, Division of Mental Health, Department of Public Mental Health, Norwegian Institute of Public Health, Bergen, Norway, School of Psychiatry, Faculty of Medicine, University of New South Wales, New South Wales, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AKK SØ MH AM. Analyzed the data: AKK. Contributed reagents/materials/analysis tools: AKK. Wrote the paper: AKK SØ MH AM.