[1] Portland VA Med Ctr, Natl Ctr Rehabilitat Auditory Res, Portland, OR 97239 USA
[2] Oregon Hlth & Sci Univ, Dept Otolaryngol Head & Neck Surg, Portland, OR 97201 USA
[3] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[4] Univ Queensland, Sch Hlth & Rehabil Sci, Hearing Res Unit Children, Brisbane, Qld 4072, Australia
[5] Audiology Inc, Arden Hills, MN USA
[6] Harvard Univ, Sch Med, Dept Otol & Laryngol, Boston, MA 02115 USA
[7] Massachusetts Eye & Ear Infirm, Eaton Peabody Lab, Boston, MA 02114 USA
[8] Boys Town Natl Res Hosp, Omaha, NE 68131 USA
[9] Syracuse Univ, Dept Commun Sci & Disorders, Syracuse, NY USA
[10] Idaho State Univ, Dept Commun Sci & Disorders, Pocatello, ID 83209 USA
[11] James H Quillen Vet Affairs Med Ctr, Audiol & Speech Language Pathol Serv, Mountain Home, TN USA
[12] Univ British Columbia, Sch Audiol & Speech Sci, Vancouver, BC V5Z 1M9, Canada
[13] Linkoping Univ, Dept Clin & Expt Med, Linkoping, Sweden
[14] Smith Coll, Picker Engn Program, Northampton, MA 01063 USA