1. Department of Pathological Anatomy; Smolensk State Medical University; 28 Krupskoy st. Smolensk 214019 Russia
2. Smolensk Regional Institute of Pathology; 27 Gagarina av. Smolensk 214020 Russia
3. Institute of micro- and nanotechnologies; Orenburg State University; 13 Pobedy st. Orenburg 460018 Russia