1. Department of Gastroenterology, Hepatology and Clinical Nutrition University Hospital Dubrava Zagreb Croatia
2. School of Medicine University of Zagreb Zagreb Croatia
3. Faculty of Pharmacy and Biochemistry University of Zagreb Zagreb Croatia
4. Department of Hematology University Hospital Dubrava Zagreb Croatia
5. Department of Maxillofacial Surgery University Hospital Dubrava Zagreb Croatia
6. Department of Pulmonology University Hospital Dubrava Zagreb Croatia
7. Intensive Care Unit, Department of Internal Medicine University Hospital Dubrava Zagreb Croatia
8. Department of Emergency Medicine University Hospital Dubrava Zagreb Croatia
9. Intensive Care Unit, Department of Anestesiology, Renimatology and Intensive Care University Hospital Dubrava Zagreb Croatia
10. School of Dental Medicine University of Zagreb Zagreb Croatia