1. University of Padova, Italy
2. Ludwig Boltzmann Institute of Electrical Stimulation and Physical Rehabilitation, Vienna, Austria
3. Institute of Neuroscience Consiglio Nazionale delle Ricerche, Padova, Italy
4. IRRCS Fondazione Ospedale San Camillo, Venice, Italy
5. Institute of Physical Medicine and Rehabilitation, St. Pölten, Austria