1. Department of Neurological Surgery, Northwestern University, Chicago, Illinois, USA;
2. McGaw School of Medicine, Northwestern University, Chicago, Illinois, USA;
3. Division of Neurosurgery, Department of Neurosciences, Philippine General Hospital, University of the Philippines Manila, Manila, Philippines;
4. Translational Neuroscience Research Lab, Faculty of Medicine, Universidad de La Sabana, Chía, Colombia;
5. Pediatric Neurosurgery, Department of Neurosurgery, Fundacion Santa Fe de Bogota & Universidad de La Sabana, Chía, Colombia;
6. Department of Neurosurgery, ASST, Ospedale Maggiore Niguarda, Milan, Italy;
7. Federal University of Parana, Curitiba, Parana, Brazil;
8. Aga Khan University Hospital, Nairobi, Kenya;
9. Division of Neurosurgery, Neuroscience Institute, University of Cape Town, Red Cross Children's Hospital, Cape Town, South Africa;
10. Northwest School of Medicine, Peshawar, Pakistan;
11. Clinical Neurosciences, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK;
12. Department of Neurosurgery, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, USA;
13. Barrow Neurological Institute, Phoenix, Arizona, USA