1. School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Communication Sciences and Disorders, University of Wisconsin-River Falls, USA
4. Department of Orthodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
5. Craniomaxillofacial Research Center, Oral and Maxillofacial Surgery Department, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
6. Craniomaxillofacial Research Center, Department of Tissue Engineering and Applied Cellular Sciences, Tehran University of Medical Sciences, Tehran, Iran