Dental School, Arnaldo Jansen Faculty, Belo Horizonte, Brazil
Assist. Prof. Indira Mujić Jahić
Department of Oral Medicine and Periodontology, Faculty od Dentistry with the Dental Clinical Cennter, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
Prof. Olexandr Belikov
Department of Prosthetic Dentistry, Faculty of Dentistry, Bukovinian State Medical University, Chernivtsi, Ukraine