[1] Western Univ, Elborn Coll, Sch Commun Sci & Disorders, London, ON, Canada
[2] Western Univ, Elborn Coll, Natl Ctr Audiol, London, ON, Canada
[3] Univ Toronto, Rehabil Sci Inst, Temerty Fac Med, Toronto, ON, Canada
[4] Western Univ, Elborn Coll, Sch Phys Therapy, London, ON, Canada
[5] McMaster Univ, CanChild Ctr Childhood Disabil Res, Hamilton, ON, Canada
[6] Western Univ, Elborn Coll, Fac Hlth Sci, Sch Commun Sci & Disorders, Room 2200,1201 Western Rd, London, ON N6H 1H1, Canada