1. Mechanical Engineering Department, Social and Cognitive Robotics Laboratory, Center of Excellence in Design, Robotics and Automation (CEDRA), Sharif University of Technology , Tehran , Iran
2. Department of Mechanical Engineering, University College London , London , WC1E 7JE , UK
3. Department of Psychology, University of Shahid Chamran , Ahwaz , Iran
4. Department of Humanities, Islamic Azad University West Tehran Branch, Social and Cognitive Robotics Laboratory, Center of Excellence in Design, Robotics and Automation (CEDRA), Sharif University of Technology , Tehran , Iran
5. Faculty of Humanities, West Tehran Branch, Islamic Azad University , Tehran , Iran