1. Department of Child Development, Literacy and Special Education, Appalachian State University, Boone, NC, USA
2. Department of Health Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. College of Information Studies, University of Maryland, College Park, MD, USA
4. Department of Communicative Disorders and Sciences, University of Buffalo, Amherst, NY, USA
5. Communication Arts and Sciences, Queens College City University of New York, New York, NY, USA
6. Department of Speech-Language-Hearing Sciences, University of Minnesota, Minneapolis, MN, USA
7. Department of Communication Sciences and Disorders, University of Minnesota Duluth, Duluth, MN, USA
8. Speech and Language Therapy, Institute of Education, Massey University, Auckland, New Zealand
9. School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
10. Department of Psychology, Georgia State University, Atlanta, GA, USA
11. Departments of Communication, Psychology, and Communication Sciences & Disorders, Georgia State University, Atlanta, GA, USA