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. NATIONAL CANCER INSTITUTE, KYIV, UKRAINE
4. ODESA NATIONAL MEDICAL UNIVERSITY, ODESA, UKRAINE
5. NATIONAL PIROGOV MEMORIAL MEDICAL UNIVERSITY, VINNYTSIA, UKRAINE
6. LVIV MEDICAL INSTITUTE, LVIV, UKRAINE