1. Department of Cognitive Neuroscience, Institute for Cognitive Science Studies, Tehran, Iran
2. Center for Mathematics, Computation and Cognition, Universidade Federal do ABC (UFABC), São Bernardo do Campo, Santo Andre 09606-045, Brazil
3. Department of Computer Science, NUS School of Computing, National University of Singapore, Singapore
4. Department of Psychology, Catholic University of Milan, Mila, Italy
5. Istituto Auxologico Italiano IRCCS, Psychology Research Laboratory, Milan, Italy