Author information:
(1)Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, & 
Sense Organs, University of Bari Aldo Moro, Bari, Italy.
(2)Department of Clinical Research in Neurology, University of Bari Aldo Moro, 
'Pia Fondazione Cardinale G. Panico,' Tricase, Lecce, Italy.
(3)Geriatric Unit & Laboratory of Gerontology & Geriatrics, Department of 
Medical Sciences, IRCCS 'Casa Sollievo della Sofferenza,' San Giovanni Rotondo, 
Foggia, Italy.
(4)Geriatric Medicine-Memory Unit & Rare Disease Centre, University of Bari Aldo 
Moro, Bari, Italy.
(5)Research & Development Department, Chiesi Farmaceutici, Parma, Italy.
(6)Physical Medicine & Rehabilitation Section, 'OORR' Hospital, University of 
Foggia, Foggia, Italy.
(7)Psychiatric Unit, Department of Basic Medicine, Neuroscience, & Sense Organs, 
University of Bari Aldo Moro, Bari, Italy.
(8)Department of OrthoGeriatrics, Rehabilitation & Stabilization, Frailty Area, 
E.O. Galliera NR-HS Hospital, Genova, Italy.
(9)Institute of Neurology, Catholic University of Sacred Heart, Rome, Italy.