1. Vorokhobov City Clinical Hospital № 67, Moscow Healthcare Department;
Russian Medical Academy of Continuous Professional Education, Health Ministry of Russian Federation;
Yaroslavl State Medical University, Health Ministry of Russian Federation
2. Vorokhobov City Clinical Hospital № 67, Moscow Healthcare Department; Kaluga Regional Clinical Hospital
3. Vorokhobov City Clinical Hospital № 67, Moscow Healthcare Department
4. Tutaev Central District Hospital