1. Russian Scientific Center of Surgery Named After Academician B. V. Petrovsky, 121359 Moscow, Russia
2. Department of Sport Medicine and Medical Rehabilitation, Sechenov First Moscow State Medical University, 119435 Moscow, Russia
3. The Nikiforov Russian Center of Emergency and Radiation Medicine, 187015 St. Petersburg, Russia
4. Russian Medical Academy of Continuous Professional Education, 119435 Moscow, Russia
5. Department of Neurosurgery, RUDN University, 121359 Moscow, Russia
6. Department of Spinal Surgery, Central Clinical Hospital of the Russian Academy of Sciences, 121359 Moscow, Russia
7. Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), 56100 Pisa, Italy