1. Audiological Research Centre, Örebro University, Örebro, Sweden
2. School of Health Sciences, Örebro University, Örebro, Sweden
3. Section of Otorhinolaryngology, Head and Neck Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
4. Hearing Implant Unit, Department of ENT, Karolinska University Hospital, Stockholm, Sweden
5. ORCA Europe, WS Audiology, Stockholm, Sweden
6. School of Medical Sciences, Örebro University, Örebro, Sweden