1. Department of Internal Medicine, University of
California San Francisco, Fresno, Calif.
2. Department of Otolaryngology-Head and Neck Surgery,
Drexel University College of Medicine, Philadelphia
3. Department of Internal Medicine, Temple University
Hospital, Philadelphia
4. Department of Radiology, Drexel University College
of Medicine, Philadelphia
5. Department of Nuclear Medicine, Hahnemann University
Hospital, Philadelphia