1. Division of Neurosurgery, Department of Surgery, University of Cape Town, Cape Town, South Africa;
2. Neuroscience Institute, University of Cape Town, Cape Town, South Africa;
3. Department of Neurosurgery, Mackenzie Evangelical University Hospital, Curitiba, Paraná, Brazil;
4. Division of Neurosurgery, Department of Neurosciences, Philippine General Hospital, University of the Philippines Manila, Manila, Philippines;
5. Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA;
6. Division of Neurosurgery, Department of Clinical Neurosciences, Addenbrooke's Hospital and University of Cambridge, Cambridge, UK;
7. NIHR Global Health Research Group on Acquired Brain and Spine Injury, University of Cambridge, Cambridge, UK;
8. 1st Department of Neurosurgery, Henry Dunant Hospital Center, Athens, Greece;
9. Translational Neuroscience Research Lab, School of Medicine, Universidad de La Sabana, Chia, Colombia;
10. Neurosurgery Department, Fundacion Santa Fe De Bogota, Bogota, Colombia;
11. Aga Khan University, Nairobi, Kenya;
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;
14. Department of Neurosurgery, Federal University of Paraná, Curitiba, Paraná, Brazil