1. JM Furman, MD, PhD, is Professor, Departments of Otolaryngology, Neurology, Bioengineering, and Physical Therapy, University of Pittsburgh, Pittsburgh, Pa.
2. SL Whitney, PT, PhD, ATC, is Assistant Professor, Departments of Physical Therapy and Otolaryngology, University of Pittsburgh, and Director, Physical Therapy Vestibular Rehabilitation Program, Centers for Rehab Services, Pittsburgh, Pa