1. Complex Unit of Physical Medicine and Rehabilitation, University Hospital Umberto I, Rome, Italy.
2. Department of Anatomical and Histological Sciences, Legal Medicine and Orthopedics, Sapienza University of Rome, Rome, Italy.
3. Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy.
4. Department of Neurorehabilitation, IRCCS San Raffaele Pisana, Rome, Italy.