1. Department of Neurological Surgery, University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin, USA;
2. Department of Neurological Surgery, Hospital Universitario Ramón y Cajal, Madrid, Spain;
3. Department of Surgery, American University of Beirut Medical Center, Beirut, Lebanon;
4. Department of Surgery, Hôpital de la Renaissance, N'Djamena, Chad;
5. Department of Neurological Surgery, Caucasus Medical Center, Tbilisi, Georgia;
6. Department of Neurological Surgery, M.K. Shah Medical College and Research Center, Ahmedabad, India;
7. Department of Neurosurgery, Istanbul Medeniyet University, Istanbul, Türkiye;
8. Department of Neurosurgery, Respublika Diaqnostika Mərkəzi, Baku, Azerbaijan;
9. Department of Neurological Surgery, University College Hospital, Oyo, Nigeria;
10. Department of Neurosurgery Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh;
11. Department of Tumoral and Vascular Neurosurgery, Lyon Neurosurgical Hospital, Lyon, France;
12. Department of Neurosurgery, Hospital Clinic University of Valencia, Valencia, Spain;
13. Department of Surgery, Jose R. Reyes Memorial Medical Center, Manila, Philippines;
14. Department of Neurological Surgery, Hospital Tengku Ampuan Afzan, Pahang, Malaysia;
15. Department of Neurological Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt;
16. Department of Neurological Surgery, University of Oklahoma College of Medicine, Oklahoma City, Oklahoma, USA;
17. Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA