1. Department of Pathology, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
2. Division of Endocrine Surgery, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
3. Division of Endocrinology, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
4. Department of Otolaryngology, Head Neck Surgery, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
5. Biostatisctics Facility, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania.
6. Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.