1. Department of Head and Neck Surgery The University of Texas M. D. Anderson Cancer Center Houston Texas USA
2. Department of Endocrine Neoplasia and Hormonal Disorders The University of Texas M. D. Anderson Cancer Center Houston Texas USA
3. Department of Surgical Oncology The University of Texas M. D. Anderson Cancer Center Houston Texas USA
4. Department of Radiation Oncology The University of Texas M. D. Anderson Cancer Center Houston Texas USA
5. Department of Pathology The University of Texas M. D. Anderson Cancer Center Houston Texas USA