1. Department of Clinical Science, Intervention and Technology, Division of Speech and Language Pathology, Karolinska Institutet, Stockholm, Sweden
2. Department of Neurology, Danderyd Hospital, Stockholm, Sweden
3. Logopedics, Faculty of Arts, Psychology and Theology, Åbo Akademi University, Turkku, Finland
4. Department of Public Health and Caring Sciences/Speech-Language Pathology, Uppsala University, Sweden