1. Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge; Bellvitge Biomedical Research Institute; IDIBELL; L'Hospitalet de Llobregat; Barcelona Spain
2. Primary Healthcare Centre ‘El Plà’ CAP -I; Sant Feliu de Llobregat; Barcelona Spain
3. Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge; L'Hospitalet de Llobregat; Barcelona Spain
4. Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge; Bellvitge Biomedical Research Institute. IDIBELL; L'Hospitalet de Llobregat; Faculty of Medicine and Health Sciences; Universitat Internacional de Catalunya; Barcelona Spain