[1] Sapienza Univ, Dept Human Neurosci, Viale Univ 30, I-00185 Rome, Italy
[2] Natl Inst Hlth, Natl Ctr Dis Prevent & Hlth Promot, Rome, Italy
[3] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Geriatr Unit, Milan, Italy
[4] Azienda Socio Sanit Terr ASST Lodi, Subacute Care Unit, Lodi, Italy
[5] Univ Milan, Geriatr & Gerontol, Milan, Italy
[6] IRCCS Ist Clin Sci Maugeri, Geriatr Unit, Milan, Italy
[7] Univ Milan, Dept Clin Sci & Community Hlth, Milan, Italy