1. Department of Surgical Sciences, Section of Otolaryngology, Uppsala University Hospital, Uppsala, Sweden;
2. Department of Otolaryngology, Peking University Shenzhen Hospital, P.R. China;
3. Department of Diagnostic Radiology, Uppsala University Hospital, Uppsala, Sweden;
4. Department of Surgical Sciences, Section of Orthopedics, Uppsala University Hospital, Sweden;
5. Department of Otolaryngology-Head and Neck Surgery, Western University, Canada;
6. Department of Medical Biophysics and Department of Electrical and Computer Engineering, Western University, Canada