1. Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Region Västra Götaland, Habilitation & Health, Hearing Organization, Gothenburg, Sweden
3. Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden
4. Region Västra Götaland, ENT Clinic, Frölunda Specialist Hospital, SV Hospital Group, Västra Frölunda, Sweden