[1] Hadassah Hebrew Univ Med Ctr, Dept Neurosurg, IL-91120 Jerusalem, Israel
[2] Hadassah Hebrew Univ Med Ctr, Dept Endovasc Neurosurg & Intervent Neuroradiol, IL-91120 Jerusalem, Israel
[3] Soroka Med Ctr, Dept Neurosurg, IL-84101 Beer Sheva, Israel