1. Communication Sciences Program, Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH
2. Department of Speech & Hearing Science, The Ohio State University, Columbus
3. Division of Clinical Therapies & Inpatient Rehabilitation Program, Nationwide Children's Hospital, Columbus, OH
4. Department of Communication Sciences and Special Education, University of Georgia, Athens
5. Bucks County Intermediate Unit 22, Doylestown, PA
6. Riverview Intermediate Unit 6, Clarion, PA
7. Papillion La Vista Community Schools, Omaha, NE
8. Department of Pediatrics, Emory University School of Medicine, Atlanta, GA