1. Division of Speech and Language Pathology; Department of Clinical Sciences; Umeå University; Umeå Sweden
2. Division of Otorhinolaryngology; Department of Clinical Sciences; Umeå University; Umeå Sweden
3. Division of Neurology; Department of Pharmacology and Clinical Neuroscience; Umeå University; Umeå Sweden
4. Division of Clinical Neurophysiology; Department of Pharmacology and Clinical Neuroscience; Umeå University; Umeå Sweden
5. Division of Neurosurgery; Department of Pharmacology and Clinical Neuroscience; Umeå University; Umeå Sweden
6. Department of Language Studies; Umeå University; Umeå Sweden