 
			
					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: Sergey S. Komlev
 Chapayevskaya 89, Samara, 443099; ur.liam@sk.tamots
Author contribution: Tlustenko VP, Bayrikov IM, Trunin DA, Komlev SS — concept and research design, surgical and orthopedic treatment of patients; Gusyakova OA, Bayrikov IM, Komlev SS — collection and processing of material, biochemical analysis of oral fluid, statistical processing of results.