1. PhD, Department of Operative Dentistry, Faculty of Dentistry, Near East University, Mersin, Turkey
2. Professor, Department of Pediatric Dentistry, Faculty of Dentistry, University of Ankara, Ankara, Turkey
3. PhD, Department of Pediatric Dentistry, Faculty of Dentistry, University of Ankara, Ankara, Turkey
4. Associate Professor, Department of Statistics, Art and Sciences Faculty, Middle East Technical University, Ankara, Turkey
5. PhD, Department of Statistics, Art and Sciences Faculty, Middle East Technical University, Ankara, Turkey