[1] AUSL Modena, Dipartimento Integraz, UOC Geriatria Territoriale, Modena, Italy
[2] Karolinska Inst, Aging Res Ctr Care Sci & Soc, Dept Neurobiol, Stockholm, Sweden
[3] Fdn Policlin Univ A Gemelli IRCCS Rome, Emergency Anesthesiol & Reanimat Sci Dept, I-00168 Rome, Italy
[4] Azienda Ospedaliero Univ Modena, Emergency Dept, Largo Pozzo,71, I-41125 Modena, Italy
[5] AUSL ASTI, Asti, Italy