KRASNOYARSK ONCOLOGY DISPENSARYREGIONAL PERINATAL CENTER №2, ACHINSKPERINATAL CENTER, NORILSKKRASNOYARSK REGIONAL PERINATAL CENTREHOSPITAL WITH MATERNITY HOUSE, MOSCOW, KOMMUNARKAPERINATAL CENTERS IN MOSCOW REGIONMATERNITY HOSPITALS IN MOSCOW REGIONACADEMICIAN a.n. N.N. BURDENKO RESEARCH INSTITUTE OF NEUROSURGERYREGIONAL PERINATAL CENTER, CHELYABINSKREGIONAL PERINATAL CENTER, BARNAULREPUBLICAN PERINATAL CENTER, MAKHACHKALAREGIONAL CLINICAL HOSPITAL, KRASNOYARSKREPUBLICAN PERINATAL CENTER, NALCHIKALEKSANDROVSKAYA CITY HOSPITAL, ST. PETERSBURGANATOMICOPATHOLOGICAL BUILDING OF KALININGRAD REGIONAL HOSPITALCENTRE OF PALLIATIVE CARE IN KOLPINOFIRST SAINT PETERSBURG STATE MEDICAL UNIVERSITY n.a. I.P. PAVLOVROSTOV RESEARCH INSTITUTE OF ONCOLOGYIRKUTSK REGIONAL ONCOLOGY DISPENSARY. ANGARSK CITYMOSCOW REGIONAL RESEARCH CLINICAL INSTITUTE n.a. M.F. VLADIMIRSKYVLADIMIR REGIONAL CLINICAL ONCOLOGY DISPENSARYBRYANSK REGIONAL ONCOLOGY DISPENSARYLIPETSK REGIONAL ONCOLOGY DISPENSARYNOVOSIBIRSK REGIONAL ONCOLOGY DISPENSARYNIZHNY NOVGOROD REGIONAL ONCOLOGY DISPENSARYRESEARCH ONCOLOGY INSTITUTE n.a. P.A. HERZEN, MOSCOW