| Authors: |
Hansen AG; 1 Department of Ear, Nose and Throat, Head and Neck Surgery, St. Olavs University Hospital, Norwegian University of Science and Technology, Trondheim, Norway.; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway., Stovner LJ; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway.; 3 Norwegian Advisory Unit on Headache, Department of Neurology and Clinical Neurophysiology, St. Olav University Hospital, Trondheim, Norway., Hagen K; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway.; 3 Norwegian Advisory Unit on Headache, Department of Neurology and Clinical Neurophysiology, St. Olav University Hospital, Trondheim, Norway., Helvik AS; 1 Department of Ear, Nose and Throat, Head and Neck Surgery, St. Olavs University Hospital, Norwegian University of Science and Technology, Trondheim, Norway.; 4 Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway., Thorstensen WM; 1 Department of Ear, Nose and Throat, Head and Neck Surgery, St. Olavs University Hospital, Norwegian University of Science and Technology, Trondheim, Norway.; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway., Nordgård S; 1 Department of Ear, Nose and Throat, Head and Neck Surgery, St. Olavs University Hospital, Norwegian University of Science and Technology, Trondheim, Norway.; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway., Bugten V; 1 Department of Ear, Nose and Throat, Head and Neck Surgery, St. Olavs University Hospital, Norwegian University of Science and Technology, Trondheim, Norway.; 2 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway., Eggesbø HB; 5 Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway. |