1. Rehabilitation Unit, AORN Santobono Pausilipon Children’s Hospital, Napoli, Italy
2. Department of Engineering. University of Campania ‘Luigi Vanvitelli’. Aversa (CE). Italy
3. Department of Structures for Engineering and Architecture (DIST), University “Federico II” of Naples, Napoli, Italy
4. Institute for Biomedical and Neural Engineering, Department of Science, Landspıtali University Hospital, University of Iceland, Reykjavik, Iceland
5. Department of Orthopaedic Sciences, Landspıtali University Hospital, University of Iceland, Reykjavik, Iceland
6. INFN Sect. Of Napoli & Department of Physics, University “Federico II” of Naples, Napoli, Italy
7. Department of Industrial Engineering, University of Bologna, Bologna, Italy
8. Department of Biomedical Signal Processing Lab for Clinical Research, Istituti Clinici Scientifici Maugeri SpA – Società Benefit, Telese Terme, BN, Italy