| Affiliation: | 1. Department of Internal Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania;2. Department of Otolaryngology - Head and Neck Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania;3. Department of Neurology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania;1. Medical University of South Carolina, Charleston, SC;2. University of Michigan, Ann Arbor, MI;3. University Hospitals/Case Medical Center, Cleveland, OH;4. Oregon Health Sciences University, Portland, OR;5. Vanderbilt University Medical Center, Nashville, TN;1. Department of Otolaryngology, Sanraku Hospital, Kandasurugadai 2-5, Chiyoda, Tokyo 101-0622, Japan;2. Department of Otolaryngology, Toho University Sakura Medical Center, Shimoshizu 564-1, Sakura, Chiba 285-8741, Japan;2. Department of Surgery, Oregon Health and Sciences University, Portland, Oregon |
