1. Clinic for Anesthesiology, Reanimatology and Intensive Care Unit – KARIL, Skopje, R. Macedonia
2. Clinic for Abdominal surgery, Skopje, R. Macedonia
3. Faculty of Medical Sciences, “Goce Delchev University”, Shtip, R. Macedonia
4. University Clinic, “St. Naum Ohridski”, Medical Faculty, Skopje, R. Macedonia
5. University Clinic for Gynecology and Obstetric, Skopje, R. Macedonia Medical faculty, “St. Cyril & Methodius”, Skopje, R. Macedonia