1. Department of Internal Medicine; Centro de Educación Médica e Investigaciones Clínicas Norberto Quirno; Buenos Aires Argentina
2. Department of Endocrine Neoplasia and Hormonal Disorders; The University of Texas MD Anderson Cancer Center; Houston Texas
3. Department of Radiology; The University of Texas MD Anderson Cancer Center; Houston Texas
4. Department of Pathology; The University of Texas MD Anderson Cancer Center; Houston Texas
5. Department of Thoracic/Head and Neck Medical Oncology; The University of Texas MD Anderson Cancer Center; Houston Texas
6. The University of Texas Graduate School of Biomedical Sciences at Houston; Houston Texas