1. Department of Speech Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran;
2. Behavioral Sciences Research Center, Life style institute, Baqiyatallah University of Medical Sciences, Tehran, Iran;
3. Nursing Faculty, Baqiyatallah University of Medical Sciences, Tehran, Iran;
4. Department of Speech Therapy, Ahvaz Jondishapour University of Medical Sciences, Ahvaz, Iran;
5. Department of Ear, nose and throat, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran;
6. Shenava Gostar Center, Mashhad, Iran