1. Department of Otolaryngology — Head and Neck Surgery, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, New York.
2. Division of Otolaryngology and Head and Neck Surgery, The Mercy Hospital of Pittsburgh, Pittsburgh, Pennsylvania.
3. Department of Radiology, The Mercy Hospital of Pittsburgh, Pittsburgh, Pennsylvania.
4. Division of Surgical Research, The Mercy Hospital of Pittsburgh, Pittsburgh, Pennsylvania.
5. Division of Neurosurgery, The Mercy Hospital of Pittsburgh, Pittsburgh, Pennsylvania.