Louis. Learn more about his laboratory at www.lsnn.wustl.edu. dbarbour@wustl.eduDennis Barbour, MD, PhD, is an associate professor of biomedical engineering, neurobiology and otolaryngology at Washington University in St. Louis. Learn more about his laboratory at www.lsnn.wustl.edu. dbarbour@wustl.edu× © 2015 American Speech-Language-Hearing Association Article Information