1. Centre Mémoire de Ressources et de Recherche, CHU, University of Nice Sophia Antipolis, Nice, France
2. Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
3. Psychiatry Service, VA Palo Alto Health Care System, Palo Alto, CA, USA
4. Department of Epidemiology, CHU, University of Nice Sophia Antipolis, Nice, France