1. University Clinic for Gastroenterohepatology, Ss. Cyril and Methodius University , Skopje , R. Macedonia
2. University Clinic for Haematology, Ss. Cyril and Methodius University , Skopje , R. Macedonia
3. Centre for Regional Policy Research and Cooperation “Studiorum” , Skopje , R. Macedonia
4. Macedonian Academy of Sciences and Arts , Skopje , R. Macedonia