1. Institute of Medical and Public Health Research Ilia State University Tbilisi Georgia
2. School of Medicine New Vision University Tbilisi Georgia
3. Faculty of Medicine European University Tbilisi Georgia
4. Special Care in Dentistry Department of Cranio ‐ Maxillofacial Surgery University of Antwerp Antwerp Belgium
5. Faculty of Medicine & Health Science University of Antwerp Belgium
6. Special Care in Dentistry Ghent University Hospital Gent Belgium
7. School of Medicine Grigol Robakidze University Tbilisi Georgia