[1] Univ Campus Biomed Roma, Unit Internal Med & Geriatr, I-00128 Rome, Italy
[2] Hosp Camposampiero, Operat Unit Anesthesia & Resuscitat, Padua, Italy
[3] S Gerardo Hosp, Acute Geriatr & Orthogeriatr Unit, Monza, Italy
[4] Milano Bicocca Univ, Milan, Italy
[5] Campus Biomed Univ Rome, Phys & Rehabil Med Dept, Rome, Italy
[6] Univ Milan, IRCCS SMN Fdn Don Gnocchi, Bachelor Nursing, Milan, Italy
[7] Ist Super Sanita, Dept Cardiovasc Endocrine Metabol Dis & Ageing, Rome, Italy
[8] Univ Campania Luigi Vanvitelli, Dept Med & Surg Specialties & Dent, Naples, Italy
[9] CNR, Inst Neurosci, Aging Branch, Padua, Italy
[10] Azienda Osped Univ Modena, Osped Civile Baggiovara, Orthogeriatr Unit, Modena, Italy
[11] San Bortolo Hosp, Orthoped & Traumatol Unit, Vicenza, Italy
[12] Univ Milan, Med Sch, Azienda Soc Sanitaria Terr St Paolo E Carlo, San Paolo Univ Hosp,Dept Hlth Sci,Orthopedy & Tra, Milan, Italy
[13] Maria Vittoria Hosp, Orthoped & Traumatol Unit, Turin, Italy
[14] Soc Italiana Med Gen SIMG, Florence, Italy
[15] Univ Perugia, S Maria Misericordia Hosp, Sect Gerontol & Geriatr, Dept Med & Surg,Orthogeriatr Unit,S Andrea Fratte, Perugia, Italy
[16] San Camillo Forlanini Hosp, Operat Unit Anesthesia & Intens Care Med, Rome, Italy
[17] Univ Ferrara, Geriatr & Orthogeriatr Unit, Arcispedale S Anna, Ferrara, Italy