1. Faculty of Bioengineering and Veterinary Medicine, Department of Bioengineering, Don State Technical University, Rostov-on-Don 344000, Russia
2. Department of Psychiatry, Rostov State Medical University, Rostov-on-Don 344022, Russia
3. Internal Medicine Department, Bashkir State Medical University, Ufa 450008, Russia
4. Department of Faculty Therapy, South-Ural State Medical University, Chelyabinsk 454092, Russia
5. Department of Internal Diseases #1, Rostov State Medical University, Rostov-on-Don 344022, Russia