1. Department of Pediatric Neurology, Pediatric Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
2. Growth and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Pediatric Neurology, Golestan Medical, Educational and Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
4. Department of Pediatric Neurology, Vali-e-Asr Hospital, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran