| Authors: |
Nilsen AH; Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, NTNU, Postbox 8900, 7491, Trondheim, Norway; Department of Otolaryngology, Head and Neck Surgery, St. Olavs University Hospital, Postbox 3250, 7006, Trondheim, Norway. Electronic address: ann.helen.nilsen@stolav.no., Helvik AS; General Practice Research Unit, Department of Public Health and Nursing, Norwegian University of Science and Technology, NTNU, Postbox 8905, 7491, Trondheim, Norway. Electronic address: anne-sofie.helvik@ntnu.no., Thorstensen WM; Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, NTNU, Postbox 8900, 7491, Trondheim, Norway; Department of Otolaryngology, Head and Neck Surgery, St. Olavs University Hospital, Postbox 3250, 7006, Trondheim, Norway. Electronic address: wenche.m.thorstensen@ntnu.no., Austad B; General Practice Research Unit, Department of Public Health and Nursing, Norwegian University of Science and Technology, NTNU, Postbox 8905, 7491, Trondheim, Norway; Øya Medical Centre, Prinsens Gate 1 A, 7013, Trondheim, Norway. Electronic address: bjarne.austad@ntnu.no. |
