1. SHUPYK NATIONAL HEALTHCARE UNIVERSITY OF UKRAINE, KYIV, UKRAINE; INSTITUTE OF PEDIATRICS, OBSTETRICS AND GYNECOLOGY OF THE NATIONAL ACADEMY OF MEDICAL SCIENCES OF UKRAINE, KYIV, UKRAINE
2. SUMY STATE UNIVERSITY, SUMY, UKRAINE
3. BUKOVINIAN STATE MEDICAL UNIVERSITY, CHERNIVTSI, UKRAINE
4. VOLYN REGIONAL MEDICAL CENTER OF ONCOLOGY, LUTSK, UKRAINE
5. TERNOPIL PERINATAL CENTER, TERNOPIL, UKRAINE
6. NATIONAL PIROGOV MEMORIAL MEDICAL UNIVERSITY, VINNYTSIA, UKRAINE
7. LUTSK ACADEMY OF RECREATION TECHNOLOGIES AND LAW, LUTSK, UKRAINE