N. A. Barkovskaya
Privolzhsky Research Medical University; Dzerzhinsk Perinatal Center
Russian Federation

Natalya A. Barkovskaya - Cand. of Sci. (Med.), Head of Anaesthesiology and Reanimation Department, SBHINizhny Novgorod Region “Dzerzhinsk Perinatal Center”; Teaching Assistant, Department of Obstetrics and Gynaecology, Faculty of Additional Professional Education, FSBEI of Higher Education “Privolzhsky Research Medical University” of the Ministry of Health of the RF.

89, Tsiolkovsky St., Dzerzhinsk, Nizhny Novgorod Region, 606033; 10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603950

N. Yu. Katkova
Privolzhsky Research Medical University
Russian Federation

Nadezhda Yu. Katkova - Dr. of Sci. (Med.), Professor, Head of Department of Obstetrics and Gynaecology, Faculty of Additional Professional Education.

10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603950

V. Ya. Vartanov
Medical University Reaviz
Russian Federation

Vladimir Ya. Vartanov - Dr. of Sci. (Med.), Professor of Department of Surgery.

227, Chapaevskaya St., Samara, 443001

O. V. Kurkina
Vifor (International) Inc.
Russian Federation

Olga V. Kurkina - Cand. of Sci. (Med.), Medical Science Liaison.

10, Bldg. A, floor 15, Butyrsky Val St., Moscow, 125047