1. Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
2. Department of Head and Neck–Endocrine Oncology, Moffitt Cancer Center, Tampa, Florida, USA.
3. Department of Surgical Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile.
4. Department of Endocrinology, Pontificia Universidad Católica de Chile, Santiago, Chile.
5. Department of Otolaryngology, Head and Neck Surgery; University of Cincinnati Medical Center, Cincinnati, Ohio, USA.
6. Division of Head and Neck Surgery, Department of Otolaryngology; Palo Alto, California, USA.
7. Department of Surgery, School of Medicine, Tulane University, New Orleans, Louisiana, USA.
8. Division of Pathology/Lab Medicine, Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
9. Department of Radiology, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile.
10. Department of Pathology, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile.
11. Centro Diagnostico Plaza Italia, Santiago, Chile.
12. Clinica UC San Carlos, Santiago, Chile.
13. Department of Pathology; Stanford University, Palo Alto, California, USA.
14. Department of Endocrine Neoplasia, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
15. Department of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
16. Department of Pathology; University of Cincinnati Medical Center, Cincinnati, Ohio, USA.
17. Department of Laboratory Medicine, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile.
18. Clinica Santa Maria Santiago de Chile; Universidad de Chile, Santiago, Chile.
19. Hospital del Salvador; Universidad de Chile, Santiago, Chile.
20. Clínica Alemana de Santiago, Universidad del Desarrollo, Santiago, Chile.
21. Hospital Clínico Universidad de Chile, Santiago, Chile.
22. Hospital San Juan de Dios, Santiago, Chile.
23. Instituto Oncológico Fundación Arturo López Pérez, Santiago, Chile.