1. Primary Care Service “Buenos Aires”; Barcelona Spain
2. Geriatrics Unit; Internal Medicine Service - Bellvitge University Hospital L'Hospitalet de Llobregat; Barcelona Spain
3. Bellvitge Biomedical Research Institute; IDIBELL; L'Hospitalet de Llobregat; Barcelona Spain
4. Primary Care Service “El Pla” CAP-I; Sant Feliu de Llobregat; Barcelona Spain
5. Primary Care Research Institute (IDIAP) Jordi Gol; Barcelona Spain
6. Costa de Ponent Research Unit Support - Institut Catalá de la Salut; L'Hospitalet de Llobregat; Barcelona Spain
7. CIBER Epidemiology and Public Health (CIBERESP); Barcelona Spain