1. ABC Stuttering Services Auburn Michigan USA
2. Faculty of Education and Rehabilitation University of Tuzla Tuzla Bosnia and Herzegovina
3. Phoniatric Unit, Ear, Nose and Throat Department Sohag University Hospital Sohag Egypt
4. Department of Communication Sciences and Disorders Pennsylvania Western University Edinboro Edinboro Pennsylvania USA
5. Department of Speech and Language Therapy Istanbul Medipol University İstanbul Türkiye
6. Department of Communication Sciences and Disorders Wayne State University Detroit Michigan USA
7. West Virginia Birth to Three Morgantown West Virginia USA
8. Department of Speech and Language Therapy Üsküdar University İstanbul Türkiye
9. Department of Communication Sciences and Disorders West Virginia University Morgantown West Virginia USA