1. STATE INSTITUTION «INSTITUTE OF PEDIATRICS, OBSTETRICS AND GYNECOLOGY NAMED AFTER ACADEMICIAN OM LUKYANOV ACADEMY OF MEDICAL SCIENCES OF UKRAINE», KYIV, UKRAINE
2. STATE INSTITUTION «INSTITUTE OF PEDIATRICS, OBSTETRICS AND GYNECOLOGY NAMED AFTER ACADEMICIAN OM LUKYANOV ACADEMY OF MEDICAL SCIENCES OF UKRAINE», KYIV, UKRAINE; NATIONAL UNIVERSITY OF HEALTH OF UKRAINE NAMED AFTER PL SHUPIKA, KYIV, UKRAINE
3. SUMY STATE UNIVERSITY, SUMY, UKRAINE