1. Division, Speech and Language Pathology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
2. Medical Unit of Speech and Language Pathology and Stockholm Craniofacial Team, Karolinska University Hospital, Stockholm, Sweden
3. Division of Speech and Language Pathology, Södertälje Hospital, Södertälje, Sweden
4. Division of Hearing and Balance, Karolinska University Hospital, Stockholm, Sweden
5. School of Humanities and Social Sciences, Faculty of Education and Arts, University of Newcastle, Newcastle, Australia