About the Authors

Bruno Abarca Tomás

brunoat@correo.ugr.es

Affiliation Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain

Christopher Pell

Affiliations Centre for International Health Research (CRESIB), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain, Centre for Social Science and Global Health, University of Amsterdam, Amsterdam, The Netherlands

Aurora Bueno Cavanillas

Affiliations Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain, Service of Preventive Medicine, San Cecilio University Hospital, Granada, Spain, Consorcio de Investigación Biomédica en Red en Epidemiología y Salud Públic, (CIBERESP), Madrid, Spain

José Guillén Solvas

Affiliations Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain, Service of Preventive Medicine, San Cecilio University Hospital, Granada, Spain, Consorcio de Investigación Biomédica en Red en Epidemiología y Salud Públic, (CIBERESP), Madrid, Spain

Robert Pool

Affiliations Centre for International Health Research (CRESIB), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain, Centre for Social Science and Global Health, University of Amsterdam, Amsterdam, The Netherlands

María Roura

Affiliation Centre for International Health Research (CRESIB), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the manuscript: BAT. Conceived the study: MR. Developed the search strategy: BAT MR. Conducted online database searches and screened data: BAT MR. Extracted and analyzed the data: BAT MR. Wrote the first draft manuscript: BAT. Provided critical comments on the manuscript: CP ABC JGS RP MR. Language correction: CP. Approved the final version of the manuscript: BAT CP ABC JGS RP MR.