1. Orel Regional Clinical Hospital; Turgenev Orel State University
2. Federal Scientific and Clinical Center for Specialized Types of Medical Care and Medical Technologies FMBA of Russia; A.I. Evdokimov Moscow State University of Medicine and Dentistry of the Ministry of Healthcare of the Russian Federation
3. Smolensk State Medical University
4. Turgenev Orel State University
5. Orel Regional Clinical Hospital