1. Department of Neurosurgery, Peoples’ Friendship University of Russia, Moscow, Russian Federation,
2. Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy,
3. Department of Neurological Diseases and Neurosurgery, Peoples Friendship University of Russia (RUDN University), Moscow, Russian Federation,
4. Department of Neurosurgery, Autonomous University of Santo Domingo, Santo Domingo, Dominican Republic,
5. Department of Neurosurgery, Spine Center Hospital del Mar, Sagrat Cor University Hospital, Barcelona, Spain,
6. Department of Neurosurgery, N.N. Burdenko National Medical Research Center of Neurosurgery, Moscow, Russian Federation,
7. Department of Neurosurgery, Podolsk Regional Hospital, Moscow, Russian Federation,
8. Department of Neurosurgery, Clinique Ngaliema, Kinshasa, Congo,
9. Department of Neurosurgery, University of Zimbabwe, College of Health Sciences, Zimbabwe,
10. Department of Neurosurgery, University Teaching Hospital, Lusaka, Zambia,
11. Federal Centre of Neurosurgery, Tyumen, Russia
12. Department of Neurosurgery, State Medical University (Sechenov University), Moscow, Russia.
13. Department of Neurological Surgery, Weill Cornell Medicine/NewYork Presbyterian Hospital, New York, United States,
14. Department of Neurosurgery, Government Medical College, Thiruvananthapuram, Kerala, India,
15. Department of Neurosurgery, Faculty of Medicine, Cairo University, Cairo, Egypt,
16. Department of Neurosurgery, Mediclinic Parkview Hospital, Dubai, United Arab Emirates,