[1] Univ Jeddah, Dept Surg, Fac Med, Jeddah, Saudi Arabia
[2] McGill Univ, Dept Neurol & Neurosurg, Montreal Neurol Inst & Hosp, Montreal, PQ, Canada
[3] King Saud Univ, Div Neurosurg, Dept Surg, Coll Med, Riyadh, Saudi Arabia
[4] Prince Sultan Mil Med City, Dept Neurosurg, Riyadh, Saudi Arabia
[5] King Abdulaziz Univ, Fac Med, Dept Surg, Jeddah, Saudi Arabia
[6] King Abdulaziz Univ, Fac Med, Dept Surg, Div Neurosurg, Jeddah, Saudi Arabia
[7] King Fahad Med City, Natl Neurosci Inst, Dept Adult Neurosurg, Riyadh, Saudi Arabia
[8] King Fahad Med City, Natl Neurosci Inst, Dept Pediat Neurosurg, Riyadh, Saudi Arabia
[9] Specialized Med Ctr, Div Neurosurg, Dept Surg, Riyadh, Saudi Arabia
[10] King Abdul Aziz Med City, Div Neurosurg, Riyadh, Saudi Arabia
[11] King Saud Med City, Dept Neurosurg, Riyadh, Saudi Arabia
[12] Taibah Univ, Vasc Endovasc & Skull Base Neurosurg, Coll Med, Madinah, Saudi Arabia
[13] Imam Abdulrahman bin Faisal Univ, Dept Neurosurg, Dammam, Saudi Arabia
[14] King Faisal Specialist Hosp & Res Ctr, Dept Neurosci, Riyadh, Saudi Arabia
[15] Dr Sulaiman Alhabib Hosp, Dept Spine Surg, Khobar, Saudi Arabia
[16] King Khalid Univ, Coll Med, Dept Surg, Div Neurosurg, Abha, Saudi Arabia
[17] King Khalid Univ Hosp, Dept Surg, Div Neurosurg, Riyadh, Saudi Arabia
[18] Int Med Ctr, Dept Neurosurg, Jeddah, Saudi Arabia
[19] King Fahad Specialist Hosp, Dept Neurosurg, Dammam, Saudi Arabia
[20] King Saud Bin Abdulaziz Univ Hlth Sci, Div Neurosurg, Dept Surg, Jeddah, Saudi Arabia
[21] King Faisal Specialist Hosp & Res Ctr, Dept Neurosci, Jeddah, Saudi Arabia
[22] Jazan Univ, Div Neurosurg, Dept Surg, Fac Med, Jazan, Saudi Arabia