[1] Russian Peoples Friendship Univ, Dept Neurosurg, Moscow, Russia
[2] Dept Neurosurg, Clin Ngaliema, Kinshasa, DEM REP CONGO
[3] Univ Buenos Aires, Chair Gross Anat 2, Sch Med, Lab Microsurg Neuroanat, Buenos Aires, Argentina
[4] Sagrat Cor Univ Hosp, Spine Ctr Hosp del Mar, Barcelona, Spain
[5] Autonomous Univ Santo Domingo UASD, Santo Domingo, Dominican Rep
[6] Univ Cent Lancashire, Sch Med, Preston, England
[7] CHU Bouake, Serv Neurochirurg, Bouake, Cote Ivoire
[8] Royal Melbourne Hosp, Dept Neurosurg, Melbourne, Vic, Australia
[9] Med Pk Ankara Hosp, Dept Neurosurg, Ankara, Turkiye
[10] Yuksek Ihtisas Univ, Sch Med, Dept Neurosurg, Ankara, Turkiye
[11] Univ Bamenda, Fac Hlth Sci, Neurosurg Div, Bambili, Cameroon
[12] NN Burdenko Natl Med Res Ctr Neurosurg, Dept Neurosurg, Moscow, Russia
[13] Univ Zimbabwe, Coll Hlth Sci, Dept Neurosurg, Harare, Zimbabwe
[14] Peoples Friendship Univ Russia, Dept Neurosurg, Moscow, Russia
[15] St Josephs Hosp, Barrow Neurol Inst, Dept Neurosurg, Phoenix, AZ USA
[16] Sardar Hosp, Multispecial Trauma & ICCU Ctr, Dept Med, Ahmadabad, Gujarat, India
[17] Univ Hosp Muenster, Dept Neurosurg, Munster, Germany
[18] Univ Pisa, Dept Neurosurg, Azienda Osped Univ Pisana AOUP, Pisa, Italy