 
			
					ISSN Print 2500–1094   
					ISSN Online 2542–1204				
				
				
				BIOMEDICAL JOURNAL OF PIROGOV UNIVERSITY (MOSCOW, RUSSIA)
			 
			Samara State Medical University, Samara, Russia
Correspondence should be addressed: Alina A. Demura
 pr. Maslennikova 25, Samara, 443056; ur.ay@182anil
Acknowledgements: the authors thank Komarova MV, Cand. Sci. (Biol.) and Associate Professor at the Samara State Medical University for her invaluable help with statistical analysis
Author contribution: all authors equally contributed to the study at its every stage.
