1. Ear Science Institute Australia, Subiaco, Western Australia
2. Ear Sciences Centre, The University of Western Australia, Crawley
3. School of Psychological Science, The University of Western Australia, Crawley
4. School of Information and Communication Studies, Charles Sturt University, Wagga Wagga, New South Wales, Australia
5. Department of Speech-Language Pathology and Audiology, University of Pretoria, South Africa