1. Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Region Västra Götaland, Habilitation and Health, Hearing Organization, Gothenburg, Sweden
3. Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden
4. Department of Communication Sciences and Disorder, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada
5. Region Västra Götaland, Department of Otorhinolaryngology, Head and Neck Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden