1. School of Rehabilitation Sciences, University of Ottawa, 451 Smyth Road, Ottawa, ON, Canada K1H 8M5
2. School of Audiology and Speech Sciences, University of British Columbia, Vancouver, BC, Canada V6T 1Z3
3. Commission scolaire de la Pointe-de-l'Île, Montréal, QC, Canada H1A 2T7
4. Department of Speech-Language Pathology, University of Toronto, ON, Canada M5G 1V7
5. Communication Function Laboratory, Toronto Rehabilitation Institute, Toronto, ON, Canada M5G 2A2