About the Authors

Toomas Timpka

toomas.timpka@liu.se

Affiliations Department of Public Health, Östergötland County Council, Linköping, Sweden, Department of Medical and Health Sciences, Linköpings Universitet, Linköping, Sweden, Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Olle Eriksson

Affiliation Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Armin Spreco

Affiliations Department of Medical and Health Sciences, Linköpings Universitet, Linköping, Sweden, Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Elin A. Gursky

Affiliation National Strategies Support Directorate, ANSER/Analytic Services Inc, Arlington, Virginia, United States of America

Magnus Strömgren

Affiliation Department of Social and Economic Geography, Umeå University, Umeå, Sweden

Einar Holm

Affiliation Department of Social and Economic Geography, Umeå University, Umeå, Sweden

Joakim Ekberg

Affiliations Department of Public Health, Östergötland County Council, Linköping, Sweden, Department of Medical and Health Sciences, Linköpings Universitet, Linköping, Sweden, Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Örjan Dahlström

Affiliations Department of Public Health, Östergötland County Council, Linköping, Sweden, Department of Medical and Health Sciences, Linköpings Universitet, Linköping, Sweden, Linnaeus Centre HEAD, Swedish Institute for Disability Research, Department of Behavioural Sciences, Linköping University, Linköping, Sweden

Lars Valter

Affiliations Department of Public Health, Östergötland County Council, Linköping, Sweden, Department of Medical and Health Sciences, Linköpings Universitet, Linköping, Sweden, Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Henrik Eriksson

Affiliation Department of Computer and Information Science, Linköpings Universitet, Linköping, Sweden

Competing Interests

At the time of the study, EAG was employed by ANSER (the non-profit section of the organization ‘Analytical Services Inc.’). This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: TT OE EAG MS HE. Analyzed the data: OE AS. Contributed reagents/materials/analysis tools: TT LV. Wrote the paper: TT OE AS EAS MS EH JE OD. Revised the manuscript and provided intellectual content: OE AS EAG MS EH JE OD LV HE.