O. V. Ryazanova
City Perinatal Center № 1; D. O. Ott Research Institute of Obstetrics, Gynecology, and Reproductology
Russian Federation

Ryazanova Oksana V. - Dr. of Sci. (Med.), Head of the Department of Anesthesiology and Intensive Care; Senior Research Fellow at the Department of Obstetrics and Perinatology 

6, Solidarnosti ave., Saint Petersburg, 193312

S. M. Makishev
City Perinatal Center № 1
Russian Federation

 Makishev Sanzhar M.  - Anesthesiologist and Intensivist

6, Solidarnosti ave., Saint Petersburg, 193312

G. V. Grinenko
City Perinatal Center № 1; Pavlov University
Russian Federation

Grinenko Galina V.  - Cand. of Sci. (Med.), Chief Physician; Associate Professor of the Department of Obstetrics, Gynecology, and Neonatology

6, Solidarnosti ave., Saint Petersburg, 193312

N. Yu. Pylaeva
Crimean Federal University named after V. I. Vernadsky
Russian Federation

Pylaeva Natalia Yu.  - Dr. of Sci. (Med.), Associate Professor of the Department of General Surgery, Anesthesiology and Intensive Care, and Emergency Medical Aid of the Faculty of Advanced Medical  Training and Additional Professional Education, Medical Institute named after S. I. Georgievsky

 4, Akademika Vernadskogo ave., Simferopol, 295007

K. I. Korolev
City Perinatal Center № 1
Russian Federation

Korolev Kirill I.  - Anesthesiologist and Intensivist

6, Solidarnosti ave., Saint Petersburg, 193312

S. A. Kolominchuk
Saint Petersburg State Medical University named after I. I. Mechnikov
Russian Federation

Kolominchuk Sergei A.  - Student

41, Kirochnaia str., Saint Petersburg, 191015

M. D. Nagulmanova
Saint Petersburg State Medical University named after I. I. Mechnikov
Russian Federation

 Nagulmanova Margarita D.  - Student

41, Kirochnaia str., Saint Petersburg, 191015

A. A. Ryazanova
Irkutsk State Medical University
Russian Federation

 Ryazanova Anna A.  - Student

1, Krasnogo Vosstaniia str., Irkutsk, 664003