1. Otolaryngology-Head and Neck Surgery, Section Ear and Hearing, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, De Boelelaan, The Netherlands
2. Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, The Netherlands
3. Communication Sciences Research Center, Cincinnati Childrens’ Hospital Medical Center and University of Cincinnati, Cincinnati, OH, USA
4. Manchester Centre for Audiology and Deafness, University of Manchester, Manchester, UK
5. Ear Sciences Centre, School of Surgery, University of Western Australia, Perth, WA, Australia
6. Department of Speech-Language Pathology and Audiology, University of Pretoria, Pretoria, South Africa
7. Amsterdam UMC location University of Amsterdam, Otolaryngology-Head and Neck Surgery, Ear and Hearing, Meibergdreef, Amsterdam, The Netherlands