Department of Pathology, Gülhane Military Medical Academy Haydarpaşa Training Hospital, İstanbul, Turkey
2.Department of Ear, Nose & Throat Diseases, Gülhane Military Medical Academy Haydarpaşa Training Hospital, İstanbul, Turkey
3.Department of Gastroenterology, Gülhane Military Medical Academy Haydarpaşa Training Hospital, İstanbul, Turkey