1. MINISTRY OF HEALTH OF THE RUSSIAN FEDERATION

2. MOSCOW HEALTH DEPARTMENT

3. RUSSIAN ASSOCIATION OF SPINE SURGEONS
ASSOCIATION OF NEUROSURGEONS OF RUSSIA

4. WORLD FEDERATION OF NEUROSURGICAL SOCIETIES

5. EUROPEAN ASSOCIATION OF NEUROSURGICAL SOCIETIES

6. NORTH AMERICAN SPINE SOCIETY

7. N.N. BURDENKO NATIONAL MEDICAL RESEARCH CENTER FOR NEUROSURGERY OF 

8. THE MINISTRY OF HEALTH OF THE RUSSIAN FEDERATION