1. Research Unit of Biomedical Robotics and Biomicrosystems, Università Campus Bio-Medico di Roma, Rome, Italy.
2. Research Unit of Neurophysiology and Neuroengineering of Human-Technology Interaction, Università Campus Bio-Medico di Roma, Rome, Italy.
3. Research Unit of Neurology, Neurophysiology, Neurobiology, Università Campus Bio-Medico di Roma, Rome, Italy.
4. Research Unit of Orthopedics and Traumatology, Università Campus Bio-Medico di Roma, Rome, Italy.
5. Research Unit of Physical Medicine and Rehabilitation, Università Campus Bio-Medico di Roma, Rome, Italy.
6. Fraunhofer Institut für Biomedizinische Technik, Sulzbach, Germany.
7. Department of Neurosciences, University of Padova, Padova, Italy.
8. INAIL Prosthetic Center, Vigorso di Budrio, Italy.