1. Department of Communication Sciences and Disorders, University of Iowa, Iowa City
2. Department of Communication Sciences and Disorders, Temple University, Philadelphia, PA
3. Department of Speech-Language Pathology, Rusk Rehabilitation, NYU Langone Medical Center, New York, NY
4. Department of Speech, Language and Swallowing Disorders, Massachusetts General Hospital, Boston
5. Department of Speech-Language Pathology, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha
6. Communication Aids & Systems Clinic, Waisman Center, University of Wisconsin–Madison
7. Inpatient Augmentative Communication Program, Boston Children's Hospital, MA
8. Department of Speech, Language, and Swallowing Disorders, Massachusetts General Hospital, Boston