1. Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
2. Unit of Neurophysiology and Unit for Severe Acquired Brain Injuries, Rehabilitation Department, Giuseppe Giglio Foundation, 90015 Cefalù, Italy
3. Cardinal Ferrari Centre, Santo Stefano Riabilitazione KOS-CARE, 43012 Fontanellato, Italy
4. S. Anna Institute, 88900 Crotone, Italy
5. Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation Unit of Telese Terme Institute, 82037 Telese Terme, Italy
6. Department of Rehabilitation, San Giovanni Battista Hospital, 06034 Foligno, Italy
7. Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation and Spinal Unit of Bari Institute, 70124 Bari, Italy
8. Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation and Spinal Unit of Pavia Institute, 27100 Pavia, Italy