Affiliation: | 1. Department of Neurosurgery, Faculty of Medicine, Ankara University, , Ankara, Turkey;2. Department of Otolaryngology, Head and Neck Surgery, Faculty of Medicine, Ankara University, , Ankara, Turkey;3. Department of Anatomy, Faculty of Medicine, Ankara University, , Ankara, Turkey;4. Department of Otolaryngology, Head and Neck Surgery, Salzburg Paracelsus Medical University, , Salzburg, Austria |