1 Dental Clinic Split, Department of Oral Medicine and Periodontology, School of Medicine, School of Medicine, University of Split, Split, Croatia.
2 Clinical Department of Oral Medicine, School of Dental Medicine, University Dental Clinic, University Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia.
3 Department of Clinical Immunology, Pulmonology and Rheumatology, Department of Internal Medicine, School of Medicine, Clinical Hospital Center "Sestre milosrdnice", University of Zagreb, Zagreb, Croatia.