Affiliation: | 1. Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, U.S.A.;2. Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, U.S.A.;3. Department of Otolaryngology–Head and Neck Surgery, Albany Medical College, Albany, New York, U.S.A.;4. Department of Neurological Surgery, University Hospitals Birmingham NHS Foundation, Birmingham, United Kingdom;5. Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, U.S.A. |