1. Department of Radiation Oncology, Faculty of Medicine Baskent University Adana Turkey
2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry Baskent University Ankara Turkey
3. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry Kyrenia University Girne Cyprus
4. Department of Radiation Oncology, Faculty of Medicine Koc University Istanbul Turkey