1. Yozgat City Hospital, Department of Neurosurgery, Yozgat, Turkey
2. Department of Neurosurgery, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey
3. Laboratory and Veterinary Science, Eskil Vocational High School, Aksaray University, Aksaray, Turkey
4. Health Science High School, Kirikkale University, Kirikkale, Turkey
5. Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey