1. Sumy State University, Sumy, Ukraine
2. School of Medicine, Trinity College Dublin, Ireland
3. University of Malaya, Kuala Lumpur, Malaysia
4. Department of Clinical Neurosciences, School of Clinical Medicine, University of Cambridge, Cambridge, UK
5. Department of Surgery, Khyber Teaching Hospital, Peshawar, Pakistan
6. Institute of Medical Sciences and SUM Hospital, Siksha ‘O’ Anusandhan, Bhubaneswar, India
7. Faculty of Medicine and Health Sciences, University of Putra Malaysia, Serdang, Malaysia
8. Barts and the London School of Medicine and Dentistry
9. Cardiff University School of Medicine, Cardiff University, Wales, UK
10. Department of Neurosurgery, Salmaniya Medical Complex, Manama, Bahrain