1. Ear Science Institute Australia, Subiaco, Western Australia, Australia
2. Ear Sciences Centre, The University of Western Australia, Nedlands, Australia
3. School of Human Sciences, The University of Western Australia, Nedlands, Australia
4. Department of Speech-Language Pathology and Audiology, University of Pretoria, South Africa
5. Ear Health Group, Telethon Kids Institute, The University of Western Australia, Nedlands, Australia
6. Division of Paediatrics, School of Medicine, The University of Western Australia, Nedlands, Australia
7. Department of Audiology, Perth Children's Hospital, Western Australia, Australia
8. Syndon Barabash, Malvern, Victoria, Australia