Oticon Medical c/o Oticon A/S, Copenhagen, Smørum, Denmark
Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, Norfolk, United Kingdom
Aalborg University Hospital, Aalborg, Denmark
Aalborg University Hospital, Aalborg, Denmark
Univerisity Medical Center Groningen, Groningen, Netherlands
Sahlgrenska University Hospital, Gothenburg, Sweden
Aalborg University Hospital, Aalborg, Denmark
Rigshospitalet, Copenhagen, Denmark
Hospital Universitario de Donostia, San Sebastián, Gipuzkoa, Spain
New York Eye and Ear Infirmary, New York, New York, United States
The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
Hospital Universitario de Donostia, San Sebastián, Gipuzkoa, Spain
Audiology Department, Nuffield House, University Hospitals Birmingham, Birmingham, West Midlands, United Kingdom