1. Department of Maxillofacial Surgery, St. Olavs University Hospital, Trondheim, Norway
2. Department of Neuromedicine and Movement Science, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
3. Department of Neurology and Clinical Neurophysiology, St. Olavs University Hospital, Trondheim, Norway
4. Department of Neurosurgery, St. Olavs University Hospital, Trondheim, Norway
5. Department of Otolaryngology, Head and Neck Surgery, St. Olavs University Hospital, Trondheim, Norway