From the Department of ENT, North University Hospital, Marseille, France
2.Head of the ORL Department Universit de la Mediterranee Hopital Nord
3.From the Departments of Otolaryngology and Head & Neck Surgery
4.From the Departmenets of Otolaryngology and Head & Neck Surgery; Service ORL et CCF Hpital Nord, Chemin Des Bourrelly 13915 Marseille, Cedex 20, France.