1. Medical Oncology Department, Hospital Clínico Universitario San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), 28040 Madrid, Spain
2. Molecular Oncology Laboratory, Hospital Clínico Universitario San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), 28040 Madrid, Spain
3. Medical Oncology Department, Aliada Cancer Center, Lima 15036, Peru
4. Medical Oncology Department, Clínica San Felipe, Lima 15072, Peru
5. Medical Oncology Department, Hospital María Auxiliadora, Lima 15801, Peru
6. Pathology Department, Hospital Clínico Universitario San Carlos, 28040 Madrid, Spain
7. Maxillofacial Surgery Department, Hospital Clínico Universitario San Carlos, 28040 Madrid, Spain
8. Otolaryngology-Head and Neck Surgery Department, Hospital Clínico Universitario San Carlos, 28040 Madrid, Spain
9. Radiation Oncology Department, Hospital Clínico Universitario San Carlos, 28040 Madrid, Spain