1. National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, MD
2. Veterans Health Administration (VA) Rehabilitation Research and Development (RR&D), National Center for Rehabilitative Auditory Research, VA Portland Health Care System, OR
3. Department of Otolaryngology/Head and Neck Surgery, Oregon Health & Science University, Portland
4. Department of Pediatric Audiology, Child Development and Rehabilitation Center, Doernbecher Children's Hospital, Oregon Health & Science University, Portland
5. National Institute for Occupational Safety and Health, NIOSH, Cincinnati, OH
6. Department of Otolaryngology—Head and Neck Surgery, Mayo Clinic, Rochester, MN
7. OHSU-PSU School of Public Health, Oregon Health & Science University, Portland
8. Department of Otolaryngology—Head & Neck Surgery, University of South Florida, Tampa
9. School of Speech, Language, and Hearing Sciences, San Diego State University, CA