1. Department of Bioengineering, Faculty of Bioengineering and Veterinary Medicine, Don State Technical University, 344000 Rostov-on-Don, Russia
2. Department of Instrumentation and Biomedical Engineering, Don State Technical University, 344000 Rostov-on-Don, Russia
3. Department of Nervous Diseases and Neurosurgery, Rostov State Medical University, 344022 Rostov-on-Don, Russia
4. Department of Polyclinic Therapy, N.V. Sklifosovsky Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia
5. Department of Internal Diseases, Surgut State University, Lenina, 1, Nephrology Department, Surgut District Clinical Hospital, Energetikov, 24/3, 628400 Surgut, Russia
6. Department of Faculty Therapy Named after Professor G.D. Zalessky, Novosibirsk State Medical University, Krasny Prospekt, 52, Department of Medical Rehabilitation, Novosibirsk Regional Clinical Hospital of War Veterans No. 3, Demyan the Poor, 71, 630005 Novosibirsk, Russia
7. Department of Therapy and Occupational Diseases, Ulyanovsk State University, Lev Tolstoy Street 42, 432017 Ulyanovsk, Russia
8. Internal Medicine Department, Institute of Medical Education, The Yaroslav-the-Wise Novgorod State University, Derzhavina St. 6, 173020 Veliky Novgorod, Russia
9. Internal Medicine Department, Bashkir State Medical University, 450008 Ufa, Russia