Takwa A Gabr
Department of Otolaryngology–Head and Neck Surgery, Tanta University Hospitals, Tanta University School of Medicine, El-Geesh street, Tanta, Egypt.
Enaas A. Kolkaila
Department of Otolaryngology–Head and Neck Surgery, Tanta University Hospitals, Tanta University School of Medicine, El-Geesh street, Tanta, Egypt