1. Department of Removable Prosthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
2. Department of Laboratory Diagnostics, University Hospital Centre Zagreb, Zagreb, Croatia
3. Department of Physiology, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
4. Department of Oral Medicine, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
5. Department of Dentistry, University Hospital Centre Zagreb, Zagreb, Croatia