1. Araba Research Unit, Araba University Hospital, Vitoria-Gasteiz, Spain
2. Araba Primary Care Unit, Vitoria-Gasteiz, Spain
3. CIBERSAM, Centro de Investigación Biomèdica en Red de Salud Mental, Madrid, Spain
4. Department of Psychiatry, Araba Universitary Hospital, Vitoria-Gasteiz, Spain
5. CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
6. Faculty of Medicine, University of the Basque Country, Vitoria-Gasteiz, Spain