1. Division of Otolaryngology, Department of Surgery, University of Wisconsin–Madison
2. Department of Communication Sciences & Disorders, University of Wisconsin–Madison
3. Department of Medicine, University of Wisconsin–Madison
4. Geriatric Research Education and Clinical Centers, William S. Middleton Memorial Veterans Hospital, Madison, WI
5. Department of Communication Sciences and Disorders, The University of Texas at Austin
6. Department of Neurology, The University of Texas at Austin
7. Qualitative Health Research Consultants, LLC, Madison, WI