1. VA National Center for Rehabilitative Auditory Research, VA Portland Medical Center, Portland, Oregon
2. Department of Otolaryngology, Oregon Health & Science University, Portland, Oregon
3. Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, Manchester, United Kingdom
4. Audiology Incorporated, Arden Hills, Minnesota
5. Department of Otolaryngology/Head & Neck Surgery, University of Minnesota, Minneapolis, Minnesota
6. Office of Patient Care Services, Veterans Health Administration, Washington, DC
7. Department of Speech and Hearing Science, The Ohio State University, Columbus, Ohio