Affiliation: | 1. ENT and Head and Neck Surgery Department, Clermont-Ferrand University Hospital Center, BP 69, 63003 Clermont-Ferrand cedex 1, France;2. Neuroradiology Department, Clermont-Ferrand University Hospital Center, BP 69, 63003 Clermont-Ferrand cedex 1, France;3. Biophysical Department, Clermont-Ferrand University Hospital Center, BP 69, 63003 Clermont-Ferrand cedex 1, France |