1. Bionics Institute, Fitzroy, Victoria 3065, Australia
2. Medical Bionics Department, the University of Melbourne, Parkville, Victoria 3010, Australia
3. Department of Anatomy and Neuroscience, the University of Melbourne, Parkville, Victoria 3010, Australia
4. Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia
5. Department of Otolaryngology, the University of Melbourne, Parkville, Victoria 3010, Australia