1. Department of AET; Discipline of Descriptive Geometry and Engineering Graphics, Faculty of Mechanical Engineering, Technical University of Cluj-Napoca; 103-105 B-dul Muncii St., Cluj-Napoca 400641 Cluj Romania
2. Department of Biomedical Computer Systems; Faculty of Computer Science and Materials Science, Institute of Informatics, University of Silesia; Będzińska 39 41-205 Sosnowiec Poland
3. Dental Polyclinic; Perkovčeva 3, 10 000 Zagreb Croatia
4. Institut “Rudjer Bošković”; Bijenička Cesta 54, 10000 Zagreb Croatia
5. Faculty of Metallurgy, University of Zagreb; Aleja narodnih heroja 3, 44000 Sisak Croatia
6. University of Zagreb, School of Dental Medicine; Gundulićeva 5, 10000 Zagreb Croatia