Restuti, R., Department of Ear, Nose, Throat, Head and Neck Surgery, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine University of Indonesia, Jakarta, Indonesia; Sriyana, A., Department of Ear, Nose, Throat, Head and Neck Surgery, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine University of Indonesia, Jakarta, Indonesia; Priyono, H., Department of Ear, Nose, Throat, Head and Neck Surgery, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine University of Indonesia, Jakarta, Indonesia; Saleh, R., Department of Ear, Nose, Throat, Head and Neck Surgery, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine University of Indonesia, Jakarta, Indonesia