1. Research and Development, Region Västra Götaland, Habilitation & Health, Göteborg, Sweden
2. Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Göteborg, Göteborg, Sweden
3. Region Västra Götaland, Habilitation & Health, Hearing Organization, Göteborg, Sweden
4. Department of Otorhinolaryngology in Linköping, and Department of Biomedical and Clinical Sciences, Division of Sensory Organs and Communication, Linköping University, Linköping, Sweden