1. Neuroengineering and Medical Robotics Laboratory, Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, MI, Italy
2. Bioengineering Laboratory, Scientific Institute of Milan, Istituti Clinici Scientifici Maugeri IRCCS, Milan, Italy
3. Physical and Rehabilitation Medicine Unit, Scientific Institute of Tradate, Istituti Clinici Scientifici Maugeri IRCCS, Tradate, Italy