1. Medical Oncology Department, Instituto de Investigación Sanitaria San Carlos (IdISSC)
2. Department of Otolaryngology-Head and Neck Surgery, Instituto de Investigación Sanitaria San Carlos (IdISSC)
3. Radiation Oncology Department, Hospital Clínico Universitario San Carlos, Madrid, Spain
4. Medical Oncology Department, Aliada Cancer Center, Lima, Perú
5. Medical Oncology Department, Clínica San Felipe, Lima, Perú
6. Medical Oncology Department, Hospital María Auxiliadora, Lima, Perú
7. Radiology Department, Hospital Clínico Universitario San Carlos, Madrid, Spain
8. Nuclear Medicine Department, Hospital Clínico Universitario San Carlos, Hospital Clínico Universitario San Carlos, Madrid, Spain
9. Pathology Department, Hospital Clínico Universitario San Carlos, Madrid, Spain