About the Authors
- Concepció Violan
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Affiliations Central Research Unit, Institut Universitari d'Investigació en Atenció Primària Jordi Gol, Barcelona, Catalunya, Spain, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
- Quintí Foguet-Boreu
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Affiliations Central Research Unit, Institut Universitari d'Investigació en Atenció Primària Jordi Gol, Barcelona, Catalunya, Spain, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
- Gemma Flores-Mateo
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Affiliations Central Research Unit, Institut Universitari d'Investigació en Atenció Primària Jordi Gol, Barcelona, Catalunya, Spain, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
- Chris Salisbury
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Affiliation Centre of Academic Primary Care, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom
- Jeanet Blom
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Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
- Michael Freitag
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Affiliation Institute of General Practice and Family Medicine, Jena University Hospital, Friedrich-Schiller-University, School of Medicine, Jena, Germany
- Liam Glynn
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Affiliation Discipline of General Practice, National University of Ireland, Galway, Ireland
- Christiane Muth
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Affiliation Institute of General Practice, Johann Wolfgang Goethe University, Frankfurt/Main, Frankfurt, Germany
- Jose M. Valderas
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* E-mail: J.M.Valderas-Martinez@exeter.ac.uk
Affiliation Health Services & Policy Research Group, School of Medicine, University of Exeter, Exeter, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JMV CV QFB. Performed the experiments: JMV CV QFB GFM CS JB MF LG CM. Analyzed the data: QFB CV GFM JMV. Contributed reagents/materials/analysis tools: JMV CV QFB GFM CS JB MF LG CM. Wrote the paper: QFB CV GFM JVM. Critically revised and approved final version of the manuscript: JMV CV QFB GFM CS JB MF LG CM.