Institut de La Face et du Cou, Centre Hospitalier Universitaire de Nice, Centre Antoine Lacassagne, 31 Avenue de Valombrose, CS63415, 06 103, Nice Cedex 3, France.
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery