[1] Columbia Univ, Med Ctr, Dept Radiol & Neurol Surg, Neuroendovasc Surg, New York, NY 10032 USA
[2] Univ Calif San Francisco, Med Ctr, Dept Radiol, Neurointervent Radiol Div, San Francisco, CA 94143 USA
[3] Univ Calif San Francisco, Med Ctr, Dept Neurol, Neurointervent Radiol Div, San Francisco, CA 94143 USA
[4] Univ Calif San Francisco, Med Ctr, Dept Neurol Surg, Neurointervent Radiol Div, San Francisco, CA 94143 USA
[5] Univ Calif San Francisco, Med Ctr, Dept Anesthesiol, Neurointervent Radiol Div, San Francisco, CA 94143 USA
[6] Univ Calif San Francisco, Med Ctr, Dept Radiol, Neuroendovasc Serv, San Francisco, CA 94143 USA
[7] Univ Calif San Francisco, Med Ctr, Dept Neurol Surg, Neuroendovasc Serv, San Francisco, CA 94143 USA
[8] Baptist Hosp Miami, Intervent Neuroradiol Div, Miami, FL 33176 USA
[9] Reading Hosp Med Ctr, Dept Radiol, W Reading, PA 19611 USA
[10] Methodist Hosp, Dept Radiol, Houston, TX 77030 USA
[11] Methodist Hosp, Div Intervent Neuroradiol, Houston, TX 77030 USA
[12] Baptist Mem Hosp, Memphis, TN 38120 USA
[13] Our Lady Lourdes Reg Med Ctr, Lafayette, LA 70506 USA
[14] Univ Calif Los Angeles, Dept Radiol, Los Angeles, CA 90095 USA
[15] Univ Calif Los Angeles, Div Endovasc Neuroradiol, Los Angeles, CA 90095 USA