1. University of Ljubljana, Medical Faculty, Doctoral School , Vrazov trg 2, 1000 Ljubljana , Slovenia
2. Dental Clinic, Mdent Family Dentistry , Eqrem Qabej 74, 10000 Pristina , Kosovo
3. Dental Polyclinic, Department of Oral Surgery, Nene Tereza NN , 30000 Peje , Kosovo
4. AAB College, Zona Industriale, Fushe Kosove , 10000 Pristina , Kosovo
5. University of Ljubljana, Medical Faculty, Department for Prosthodontics , Hrvatski trg 6, 1000 Ljubljana , Slovenia