1. SHUPYK NATIONAL MEDICAL ACADEMY OF POSTGRADUATE EDUCATION, KYIV, UKRAINE
2. LVIV CITY CLINICAL HOSPITAL №3, LVIV, UKRAINE
3. VOLYN REGIONAL MEDICAL CENTER OF ONCOLOGY, LUCK, UKRAINE
4. MOTHERS MEDICAL CENTER, KYIV, UKRAINE
5. CLINICAL PERINATAL CENTER OF IVANO-FRANKIVSK CITY, IVANO-FRANKIVSK, UKRAINE
6. NATIONAL PIROGOV MEMORIAL MEDICAL UNIVERSITY, VINNYTSYA, UKRAINE