Francesc Formiga1, David Chivite2, Xavier Corbella3. 1. Geriatrics Unit, Internal Medicine Department, Bellvitge University Hospital, Catalan Institute of Health, L'Hospitalet de Llobregat, Barcelona, Spain; Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. Electronic address: fformiga@bellvitgehospital.cat. 2. Geriatrics Unit, Internal Medicine Department, Bellvitge University Hospital, Catalan Institute of Health, L'Hospitalet de Llobregat, Barcelona, Spain; Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. 3. Geriatrics Unit, Internal Medicine Department, Bellvitge University Hospital, Catalan Institute of Health, L'Hospitalet de Llobregat, Barcelona, Spain; Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; Hestia Chair in Integrated Health and Social Care, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, Barcelona, Spain.