1. Department of Neurosurgery, Neurosurgery Teaching Hospital, Baghdad, Iraq,
2. Department of Neurosurgery, Faculty of Health Sciences, University of Bamenda, Cameroon,
3. Medical Student, University of Bristol, Bristol, United Kingdom,
4. Department of Neurosurgery, BSMMU, Dhaka, Bangladesh,
5. Department of Neurosurgery, El-Matareya Educational Hospital, Cairo, Egypt,
6. Department of Surgery, College of Medicine, University of Al-Qadisiyah, Diwaniyah, Iraq,
7. Medical Student, College of Medicine, University of Baghdad, Baghdad, Iraq,
8. Department of Neurosurgery, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia,
9. Department of Neurosurgery, University of Cartagena, Cartagena, Colombia,
10. Department of Intensive Care, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK.