1. Department of Otolaryngology—Head and Neck SurgeryUniversity Hospital Center François‐Mitterrand Dijon France
2. Department of RadiotherapyCentre Georges‐François Leclerc Dijon France
3. Clinical research center of Methodology and Biostatistics UnitCentre Georges‐François Leclerc Dijon France
4. Department of Radiation OncologyCentre Georges‐François Leclerc Dijon France