1. Department of Otolaryngology—Head and Neck Surgery Hospital for Sick Children Toronto Canada
2. Department of Otolaryngology—Head and Neck Surgery University of Toronto Toronto Canada
3. Department of Communication Disorders Hospital for Sick Children Toronto Canada
4. Archie's Cochlear Implant Laboratory Hospital for Sick Children Toronto Ontario Canada
5. Institute of Medical Science University of Toronto Toronto Canada
6. Department of Otolaryngology—Head and Neck Surgery University of Michigan Ann Arbor USA