1. Lobachevsky National Research Nizhny Novgorod State University, Nizhniy Novgorod, Russian Federation
2. Kazan State Medical Academy – Branch of the Russian Medical Academy of Continuing Professional Education, Kazan, Russian Federation
3. 3Federal Center for Traumatology, Orthopedics and Arthroplasty, I.N. Ulyanov Chuvash State University, Cheboksary, Russian Federation