About the Authors

Fernando Navarro-Mateu

fernando.navarro@carm.es

Affiliations Unidad de Docencia, Investigación y Formación en Salud Mental (UDIF-SM), Servicio Murciano de Salud. Departamento de Psicología Básica y Metodología, Universidad de Murcia, Murcia, Spain, IMIB-Arrixaca, Murcia, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain

Mª José Tormo

Affiliations IMIB-Arrixaca, Murcia, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain, Departamento de Ciencias Sociosanitarias, Universidad de Murcia, Murcia, Spain

Diego Salmerón

Affiliations IMIB-Arrixaca, Murcia, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain, Servicio de Epidemiología, Consejería de Sanidad y Política Social, Murcia, Spain, Departamento de Ciencias Sociosanitarias, Universidad de Murcia, Murcia, Spain

Gemma Vilagut

Affiliations CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain, IMIM-Institut Hospital del Mar d´Investigacions Médiques, Barcelona, Spain

Carmen Navarro

Affiliations IMIB-Arrixaca, Murcia, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain, Servicio de Epidemiología, Consejería de Sanidad y Política Social, Murcia, Spain, Departamento de Ciencias Sociosanitarias, Universidad de Murcia, Murcia, Spain

Guadalupe Ruíz-Merino

Affiliations IMIB-Arrixaca, Murcia, Spain, Fundación para la Formación e Investigación Sanitarias (FFIS) de la Región de Murcia, Murcia, Spain

Teresa Escámez

Affiliations IMIB-Arrixaca, Murcia, Spain, Fundación para la Formación e Investigación Sanitarias (FFIS) de la Región de Murcia, Murcia, Spain, IMIB BIOBANC-MUR, Biobanco-HUVA-AECC-FFIS, Murcia, Spain

Javier Júdez

Affiliation Sociedad Española de Patología Digestiva, Fundación Española del Aparato Digestivo, Madrid, Spain

Salvador Martínez

Affiliation IMIB-Arrixaca, Murcia, Spain

Ron C. Kessler

Affiliation Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, United States of America

Jordi Alonso

Affiliations CIBER de Epidemiología y Salud Pública (CIBERESP), Murcia, Spain, IMIM-Institut Hospital del Mar d´Investigacions Médiques, Barcelona, Spain, Departamento de Salud y Ciencias Experimentales, Universidad Pompeu Fabra, Barcelona, Spain

Competing Interests

The PEGASUS-Murcia project is carried out in conjunction with the WHO-World Mental Health (WMH) Survey Initiative. WMH Coordinating Center staff at Harvard and Michigan Universities provided assistance with the instrumentation, fieldwork and data analysis. These latest activities were partially supported by Ortho-McNeil Pharmaceutical, Inc., GlaxoSmithKline, Bristol-Myers Squibb and Shire. In the past three years, Dr. Kessler has been a consultant for Hoffman-La Roche, Inc., Johnson & Johnson Wellness and Prevention, and Sonofi-Aventis Groupe. Dr. Kessler has served on advisory boards for Mensante Corporation, Plus One Health Management, Lake Nona Institute, and U.S. Preventive Medicine. Dr. Kessler is a co-owner of DataStat, Inc. There are no patents, products in development or marketed products to declare. These interests do not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials. Preliminary results of this study were presented in a poster at the XVI World Congress of the World Psychiatry in Madrid, Spain, in September 2014.

Author Contributions

Conceived and designed the experiments: FNM MJT CN SM RCK JA. Performed the experiments: FNM MJT DS GV GRM. Analyzed the data: FNM DS GV GRM TE JJ JA. Contributed reagents/materials/analysis tools: GRM JJ DS TE. Wrote the paper: FNM MJT DS GV CN GRM TE JJ SM RCK JA.