1. Head and Neck Oncology Laboratory, Hospital Universitario Central de Asturias, Oviedo, Spain
2. Institute of Oncology of Asturias, Spain
3. Institute of Sanitary Research of Principado Asturias, Oviedo, Spain
4. Centro de Investigación Biomédica en Red de Oncología, Oviedo, Spain
5. Service of Endocrinology and Nutrition, Hospital Universitario Central de Asturias, Oviedo, Spain
6. Cancer Epigenetics Laboratory, Hospital Universitario Central de Asturias, Oviedo, Spain
7. Nanomaterials and Nanotechnology Research Center, Spanish Council for Scientific Research, Universidad de Oviedo, Oviedo, Spain
8. Service of Pathology, Hospital Universitario Central de Asturias, Oviedo, Spain
9. Service of Medical Oncology, Hospital Universitario Central de Asturias, Oviedo, Spain
10. Service of Neurosurgery, Hospital Universitario Central de Asturias, Oviedo, Spain
11. Service of Urology Surgery, Hospital Universitario Central de Asturias, Oviedo, Spain
12. Service of Surgery, Hospital Universitario Central de Asturias, Oviedo, Spain
13. Service of Endocrinology and Nutrition, Complejo Universitario de Navarra, Pamplona, Spain
14. Service of Medical Oncology, Hospital Provincial de Castellón, Castellón, Spain
15. Unit of Cancer in the Elderly, Hospital General Virgen de la Luz, Cuenca, Spain
16. Service of Endocrinology and Nutrition, Hospital Universitario de Bellvitge, Barcelona, Spain
17. Service of Pathology, Hospital Universitario de Bellvitge, Barcelona, Spain
18. Service of Head and Neck Surgery, Hospital Gregorio Marañón, Madrid, Spain
19. Unit of Genetic Counsel in Cancer, Hospital Clínico Universitario de Valencia, Valencia, Spain
20. Service of Endocrinology and Nutrition, Hospital Universitario La Fe, Valencia, Spain
21. Service of Pathology, Hospital de Cabueñes, Gijón, Spain
22. Service of Endocrinology, Hospital Universitario Virgen del Rocío, Seville, Spain
23. Unidad de Gestión Clínica of Endocrinology and Nutrition, Hospital Virgen Macarena, Seville, Spain
24. Unidad de Gestión Clínica of Pathology, Hospital Virgen Macarena, Seville, Spain
25. Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, Minnesota