1. Department of Otorhinolaryngology, Hospital de la Santa Creu i Sant PauUniversitat Autònoma de Barcelona Barcelona Spain
2. Department of Surgery, Head and Neck ServiceMemorial Sloan Kettering Cancer Center New York NY
3. Department of Oncology, Radiotherapy, and Plastic SurgerySechenov University Moscow Russia
4. Oncogenesis and Antitumor Drugs GroupBiomedical Research Center in Bioengineering, Biomaterials and Nanomedicine (CIBER‐BBN) Madrid Spain