1. Faculty of Medicine, Institut Clinic of Gynecology, Obstetrics and Neonatology, University of Barcelona, Hospital Clinic-Institut d´Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain;
2. Department of Anesthesiology, Y.Ya. Gordeev City Clinical Hospital №1, Saratov, Russian Federation;
3. Department of Obstetrics and Gynecology, Medical Faculty, V.I. Razumovsky Saratov State Medical University, Saratov, Russian Federation;
4. Department of Anesthesiology and Critical Care, State Budgetary Healthcare Institution of Moscow Region, M.F. Vladimirskiy Moscowʼs Regional Research Clinical Institute, Moscow, Russian Federation