[1] Assoc Future African Neurosurg, Yaounde, Cameroon
[2] Cardiff Univ, Sch Med, Cardiff, Wales
[3] Queens Med Ctr, Nottingham, England
[4] Univ Liverpool, Inst Syst Mol & Integrat Biol, Liverpool, England
[5] Univ Oxford, Oxford Univ Global Surg Grp, Oxford, England
[6] Univ Southampton, Clin Neurosci Clin & Expt Sci, Fac Med, Southampton, England
[7] Univ Hosp Southampton NHS Fdn Trust, Wessex Neurol Ctr, Southampton, England
[8] North Ossetia State Med Acad, Vladikavkaz, Russia
[9] Univ Exeter, Med Sch, Exeter, England
[10] Queens Univ Belfast, Belfast, North Ireland
[11] Ankara Univ, Sch Med, Ankara, Turkiye
[12] Ain Shams Univ, Fac Med, Cairo, Egypt
[13] Mohammed V Univ Rabat, IBN SINA Teaching Hosp Rabat, Neurosurg Dept, Rabat, Morocco
[14] UCL Med Sch, London, England
[15] Weill Cornell Med, Och Spine, New York Presbyterian Hosp, Dept Neurol Surg, New York, NY USA
[16] Univ Ibadan, Coll Med, Ibadan, Oyo state, Nigeria