1. Parc Sanitari Sant Joan de Déu; Universitat de Barcelona. Fundació Sant Joan de Déu; Dr Antoni Pujades, 42 08830 Sant Boi de Llobregat Barcelona Spain
2. Instituto de Salud Carlos III; Centro de Investigación Biomédica en Red de Salud Mental, CIBERSAM; Monforte de Lemos 3-5, Pabellón 11 28029 Madrid Spain
3. Department of Psychiatry; Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria Princesa (IP), Hospital Universitario la Princesa; Madrid Spain
4. Department of Health Statistics and Information Systems; World Health Organization; Geneva Switzerland
5. Department of Medical Sociology; Jagiellonian University Medical College; Krakow Poland
6. National Institute for Health and Welfare; Helsinki Finland
7. Neurology, Public Health and Disability Unit; Neurological Institute ‘Carlo Besta’ Foundation IRCCS (Istituto di ricovero e cura a carattere scientifico); Milan Italy