[1] Royal London Hosp, Dept Intervent Neuroradiol, London, England
[2] Royal London Hosp, Dept Neuroradiol, London, England
[3] Hop Purpan, Diagnost & Therapeut Neuroradiol, Toulouse, France
[4] Fdn Rothschild Hosp, Dept Intervent Neuroradiol, Paris, France
[5] Karolinska Univ Sjukhuset, Neuroradiol, Stockholm, Sweden
[6] Hop La Pitie Salpetriere, Neuroradiol, Paris, France
[7] SUNY Stony Brook, Dept Neurosurg, Stony Brook, NY 11794 USA
[8] SUNY SB, New York, NY USA
[9] Semmes Murphey Clin, UT Dept Neurosurg, Memphis, TN USA
[10] NUHS, Singapore, Singapore
[11] Karolinska Inst, Dept Clin Neurosci, Stockholm, Sweden
[12] Klinikum Stuttgart, Klin Neuroradiol, Stuttgart, Germany
[13] Univ Hosp Reims, Radiol, Reims, France