1. VA Rehabilitation Research & Development Service, National Center for Rehabilitative Auditory Research, VA Portland Health Care System, OR
2. VA Health Services Research & Development Service Center of Innovation, Center to Improve Veteran Involvement in Care, VA Portland Health Care System, OR
3. OHSU-PSU School of Public Health, Oregon Health & Science University, Portland
4. Department of Medical Informatics & Clinical Epidemiology and Department of Psychiatry, Oregon Health & Science University, Portland
5. Department of Otolaryngology–Head & Neck Surgery, Oregon Health & Science University, Portland