1. Department of General Practice, University Toulouse III Paul Sabatier University , Toulouse , France
2. EQUITY, CERPOP, UMR 1295, Joint Research Unit: Inserm—University Toulouse III Paul Sabatier , Toulouse , France
3. “La Providence” University Multi-Professional Health Center , Toulouse , France
4. Department of Epidemiology, University Hospital of Toulouse , Toulouse , France