1. Department of Pediatric Diseases, Faculty of Medicine , Ilam University of Medical Sciences , Ilam , Iran
2. Department of Biostatistics, Psychosocial Injuries Research Center , Ilam University of Medical Sciences , Ilam , Iran
3. Student Research Committee, Faculty of Medicine , Ilam University of Medical Sciences , Ilam , Iran
4. Student Research Committee, Faculty of Medicine , Ilam University of Medical Sciences , Ilam , Iran , Phone: +9337416255