1. Federal State Autonomous Educational Institution of Higher Education ‘Russian National Research Medical University named after N.I. Pirogov’, Ministry of Health of the Russian Federation, Moscow
2. Federal State Autonomous Educational Institution of Higher Education ‘Voronezh State Medical University named after N.N. Burdenko’, Ministry of Health of the Russian Federation, Voronezh
3. Federal State Autonomous Educational Institution of Higher Education ‘Ryazan State Medical University’, Ministry of Health of the Russian Federation, Ryazan