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. SHUPYK NATIONAL HEALTHCARE UNIVERSITY OF UKRAINE, KYIV, UKRAINE
3. LVIV MEDICAL INSTITUTE, LVIV, UKRAINE
4. MEDICAL INSTITUTE OF SUMY STATE UNIVERSITY, SUMY, UKRAINE
5. BOGOLIUBY REPRODUCTION CLINIC, LUTSK, UKRAINE
6. KRAMATORSK REGIONAL MEDICAL CENTER OF ONCOLOGY, KRAMATORSK, UKRAINE
7. BUKOVINIAN STATE MEDICAL UNIVERSITY, CHERNIVTSI, UKRAINE