Factors Affecting the IQ of Preterm Born Children of 4-6 Years Old

1. Child Psychiatrist, Behavioral Sciences Center, Baqiyatallah University of Medical Sciences, Tehran, Iran 2. Pediatric Physician, Researching and Educational Management, Baqiyatallah University of Medical Sciences, Tehran, Iran 3. Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran 4. MSC of Educational Administration, Baqiyatallah University of Medical Sciences, Tehran, Iran 5. BSC of Psychology, Iran Helal Institute of Applied Science and Technology, Tehran, Iran 6. BSC of Psychology, Researching and Educational Management, Baqiyatallah University of Medical Sciences, Tehran, Iran 7. General Physician, Researching and Educational Management, Baqiyatallah University of Medical Sciences, Tehran, Iran 8. BSC of Insurance, Researching and Educational Management, Baqiyatallah University of Medical Sciences, Tehran, Iran 9. MSC of Nursing Education, Researching and Educational Management, Baqiyatallah University of Medical Sciences, Tehran, Iran