1 Geriatrics and Geriatric Emergency Care, IRCCS-INRCA, Ancona, Italy.
2 Department of Geriatrics and Rehabilitation, Santa Croce Hospital, Azienda Ospedaliera Ospedali Riuniti Marche Nord, Fano, Italy.
3 Department of Biomedical Sciences and Public Health, Section of Hygiene, Preventive Medicine and Public Health, Università Politecnica delle Marche, Ancona, Italy.