1. Faculty of Psychology and Education of Exceptional Children, and Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
2. Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
3. Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
4. Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran