1. Faculty of Medical Sciences “Goce Delcev” University Štip Republic of North Macedonia
2. Laboratory for Virology Institute of Public Health of Republic of North Macedonia Skopje Republic of North Macedonia
3. University Clinic for Gynecology and Obstetrics, Medical Faculty Ss. Cyril and Methodius University in Skopje, Skopje, Republic of north Macedonia Skopje Republic of North Macedonia
4. Faculty of Pharmacy, Institute for Applied Biochemistry Ss. Cyril and Methodius University in Skopje Skopje Republic of North Macedonia
5. University Clinic for Plastic Surgery, Medical Faculty Ss. Cyril and Methodius University in Skopje Skopje Republic of North Macedonia