4 IM Sechenov First Moscow State Med Univ, Sechenov Univ, Inst Clin Med NV Sklifosovsky, Human Anat & Histol,FSAEI HE, Mokhovaya Str 8-2, Moscow, Russia
5 Univ Buenos Aires, Sch Med, Dept Neurosurg, Buenos Aires, Argentina
6 San Fernando Hosp, Dept Neurosurg, Buenos Aires, Argentina
7 Istanbul Fatih Sultan Mehmet Educ & Res Hosp, Istanbul, Turkiye