1. Associate Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gaziosmanpaşa University, Tokat, Turkey
2. Assistant Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gaziosmanpaşa University, Tokat, Turkey
3. Assistant Professor, Department of Orthodontics, Faculty of Dentistry, Gaziosmanpaşa University, Tokat, Turkey
4. Professor, Department of Statistics, Faculty of Sciences, Ankara University, Ankara, Turkey