1. Department of Psychological & Brain Sciences, University of Louisville, Louisville, KY, USA
2. Department of Biostatistics, University of Louisville, Louisville, KY, USA
3. The Heuser Hearing Institute & Language Academy, Louisville, KY, USA
4. Department of Otolaryngology-Head/Neck Surgery & Communicative Disorders, University of Louisville, Louisville, KY, USA
5. Chapman University, Irvine, CA, USA