1. Auditory Physiology and Psychoacoustics Research Laboratory, Nemours Children Hospital, Wilmington, DE
2. Department of Communication Sciences and Disorders, College of Health Sciences, University of Delaware, Newark
3. Osborne College of Audiology, Salus University, Elkins Park, PA
4. Hearing Doctors, McLean, VA
5. Department of Speech, Language and Hearing Sciences, The George Washington University, Washington, DC
6. Division of Otolaryngology, Children's Hospital of Philadelphia, PA
7. Department of Otolaryngology, Nemours Children Hospital, Wilmington, DE
8. Department of Otolaryngology, Nemours Children Hospital, Orlando, FL