1 Department of Psychiatry, Fundación Jiménez Díaz, Madrid, Spain.
2 Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, United States.
3 Psychiatry Service, Complejo Asistencial Soria, Spain.
4 Department of Psychiatry, Fundación Jiménez Díaz, Madrid, Spain; Instituto de Investigación Sanitaria Fundación Jiménez Díaz, Madrid, Spain; Department of Psychiatry, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain; Department of Psychiatry, University Hospital Rey Juan Carlos, Móstoles, Madrid, Spain; Department of Psychiatry, General Hospital of Villalba, Villalba, Madrid, Spain; Department of Psychiatry, University Hospital Infanta Elena, Valdemoro, Madrid, Spain; CIBERSAM (Centro de Investigación en Salud Mental), Carlos III Institute of Health, Madrid, Spain; Universidad Católica del Maule, Talca, Chile; Department of Psychiatry, Centre Hospitalier Universitaire de Nîmes, France. Electronic address: ebaca@fjd.es.