1. National Oral Disability Centre for Rare Disorders, The Institute for Postgraduate Dental Education, Jönköping, Sweden;
2. School of Health and Welfare, Jönköping University, Jönköping, Sweden;
3. CLINTEC, Division of Speech and Language Pathology, Karolinska Institutet, Stockholm, Sweden;
4. Functional Area Speech and Language Pathology, Karolinska University Hospital, Stockholm, Sweden