1. Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
2. Department of Surgery, University of California San Francisco, San Francisco, California, USA.
3. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
4. Department of Cancer Registry, The University of MD Anderson Cancer Center, Houston, Texas, USA.
5. Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
6. Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
7. Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.