1. School of Music, University of lowa, lowa City, lowa
2. Department of Speech Language Pathology and Audiology, University of lowa, lowa City, lowa
3. Department of Otolaryngology, University of lowa, lowa City, lowa
4. Department of Statistics and Actuarial Sciences, University of lowa, lowa City, lowa
5. Department of Psychology, University of lowa, lowa City, lowa