Hacettepe University, Faculty of Health Sciences, Department of Child Development
2.Assistant Professor, Hacettepe University Faculty of Medicine, Department of Otolaryngology-Head and Neck Surgery, Division of Audiology and Speech Pathology
3.Professor, Kırıkkale University, Faculty of Medicine, ENT Department
4.Kırıkkale University, Faculty of Medicine, Pediatry Department
5.Erciyes University, Faculty of Education, Department of English Language and Teaching
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