About the Authors
- Ivan Solà
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Affiliations Iberoamerican Cochrane Centre - Clinical Epidemiology and Public Health Department, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
- José Miguel Carrasco
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Affiliation University of Navarra, Institute for Culture and Society, Pamplona, Spain
- Petra Díaz del Campo
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Affiliation Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain
- Javier Gracia
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Affiliation Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain
- Carola Orrego
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Affiliations Avedis Donabedian Research Institute (FAD), Barcelona, Spain, Universitat Autònoma de Barcelona, Barcelona, Spain, Red de investigación en servicios de salud en enfermedades crónicas (REDISSEC), Barcelona, Spain
- Flora Martínez
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Affiliation General Secretariat of Public Health, Social Inclusion and Quality of Life, Andalusian Regional Ministry of Health and Social Well-being, Seville, Spain
- Anna Kotzeva
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Affiliation Agency for Health Quality and Assessment of Catalonia (AQuAS), Barcelona, Spain
- Imma Guillamón
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Affiliation Agency for Health Quality and Assessment of Catalonia (AQuAS), Barcelona, Spain
- Enrique Calderón
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Affiliation Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Seville, Spain
- Idoia de Gaminde
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Affiliations Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain, Servicio de Docencia y Desarrollo Sanitarios, Departamento de Salud Gobierno de Navarra, Spain
- Arturo Louro
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Affiliation Centro de Saúde de Cambre. Xerencia de Atención Primaria A Coruña – SERGAS –, A Coruña, Spain
- Rafael Rotaeche
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Affiliations Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain, Grupo Kronikgune sobre gestión del conocimiento, Centro de Salud de Alza, Donostia-San Sebastián, Spain
- Flavia Salcedo
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Affiliations Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
- Paola Velázquez
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Affiliation Iberoamerican Cochrane Centre - Clinical Epidemiology and Public Health Department, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
- Pablo Alonso-Coello
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* E-mail: palonso@santpau.cat
Affiliations Iberoamerican Cochrane Centre - Clinical Epidemiology and Public Health Department, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain, Scientific Committee of Guíasalud - National Clinical Practice Guideline Programme of the NHS, Madrid, Spain
Competing Interests
The other authors have declared that no competing interests exist. Pablo Alonso-Coello and Ivan Solà are members of the GRADE working group. 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: IS PAC. Performed the experiments: IS JMC PDC JC CO FM AK IG EC IdG AL RR FS PV PAC. Analyzed the data: IS JMC. Wrote the paper: IS JMC. Designed the study and organized the groups: IS JMC PDC JC CO FM AK IG EC IdG AL RR FS PV PAC. Organized and ran the groups: IS JMC PAC PDC JG FM EC CO. Provided substantial feed-back and accepted the final version of the manuscript: IS JMC PDC JC CO FM AK IG EC IdG AL RR FS PV PAC.