1 Department of Oral Surgery, School of Dental Medicine, University of Zagreb, Gundulićeva 5, 10000 Zagreb, Croatia. Electronic address: dgabric@sfzg.hr.
2 Head of the National Cancer Institute, Clinic for Tumors; CEO of the Clinical Hospital Center "Sisters of Mercy", Vinogradska cesta 29, 10000 Zagreb, Croatia. Electronic address: d.v.vrdoljak@gmail.com.
3 Head of the Department of Oral Medicine, School of Dental Medicine, University of Zagreb; Dentistry Clinic, Clinical Hospital Center Zagreb, Gundulićeva 5, 10000 Zagreb, Croatia. Electronic address: boras@sfzg.hr.