1. School of Health Sciences, Faculty of Medicine and Health Örebro University Örebro Sweden
2. Department of Otorhinolaryngology Södra Älvsborgs Hospital Borås Sweden
3. Department of Otorhinolaryngology ‐Head and Neck Surgery, Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Centre for Oral Health, School of Health and Welfare Jönköping University Jönköping Sweden
5. Department of Otorhinolaryngology Region Jönköping County Jönköping Sweden
6. Department of Otorhinolaryngology—Head and Neck Surgery Sahlgrenska University Hospital Gothenburg Sweden
7. Department of Otorhinolaryngology Karolinska University Hospital Stockholm Sweden
8. Department of Clinical Science, Intervention and Technology (CLINTEC) Karolinska Institutet Stockholm Sweden