1. Department of Stomatology, University Hospital Pilsen, Faculty of Medicine in Pilsen, Charles University, 32300 Pilsen, Czech Republic
2. Department of Anatomy, Faculty of Medicine in Pilsen, Charles University, 32300 Pilsen, Czech Republic
3. Faculty of Electrical Engineering, University of West Bohemia, 30100 Pilsen, Czech Republic
4. Department of Computer Engineering, Mashhad Branch, Islamic Azad University, Mashhad 9187147578, Iran
5. Dentistry School, Babol University of Medical Sciences, Babol 4717647745, Iran
6. Department of Radiation Oncology, Medical School, Shahid Beheshti, University of Medical Sciences, Teheran 1985717443, Iran