1. Head and Neck Medical Oncology Unit Fondazione IRCCS—Istituto Nazionale dei Tumori Milan Italy
2. Department of Oncology and Hemato‐Oncology University of Milan Milan Italy
3. Medical Oncology Unit, Department of Experimental, Diagnostic and Specialty Medicine Policlinico S. Orsola‐Malpighi, Alma Mater Studiorum—University of Bologna Bologna Italy
4. Pharmacology Unit, Department of Medical and Surgical Sciences Alma Mater Studiorum—University of Bologna Bologna Italy