1. Catholic University of Milan, Milan, Italy.
2. Department of Computer Science, University of Pisa, Italy.
3. Department of Computer Engineering, University of Burgos, Burgos, Spain.
4. Department of Psychology, Catholic University of Milan, Milan, Italy.
5. Humane Technology Laboratory, Catholic University of Milan, Milan, Italy.
6. Applied Technology for Neuro-Psychology Laboratory, IRCCS Istituto Auxologico Italiano, Milan, Italy.