1. Unit of Neuro-rehabilitation, and Rehabilitation Medicine, IRCCS “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Foggia, Italy.
2. Unit of Biostatistics, IRCCS “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Foggia, Italy.
3. Department of Rehabilitation, Neurorehabilitation Unit, Habilita Care & Research, Zingonia, Italy.