1. Division of Speech and Language Pathology, Department of Otorhinolaryngology, Skåne University Hospital, Malmö, Sweden;
2. Department of Clinical Sciences, Lund University, Malmö, Sweden;
3. Department of Clinical Sciences, Umeå University, Umeå, Sweden;
4. ENT Department, Sahlgrenska University Hospital, Gothenburg, Sweden;
5. Department of Speech Language Pathology, Uppsala University Hospital, Uppsala, Sweden;
6. Functional Area Speech and Language Pathology, Karolinska University Hospital, Stockholm, Sweden;
7. Patient Area Craniofacial Diseases, Karolinska University Hospital, Stockholm, Sweden;
8. Education and Training, School Health, Norrköping, Sweden;
9. CLINTEC/Speech and Language Pathology, Karolinska Institutet, Stockholm, Sweden