1. Department of Diagnostic and Interventional Neuroradiology, Hopital de Bicêtre, Le Kremlin Bicêtre, France (Lasjaunias, Sachet, Alvarez)
2. Department of Diagnostic and Interventional Neuroradiology, Hopital de Bicêtre, Le Kremlin Bicêtre, France, and Department of Neuroradiology, National Neuroscience Institute, Singapore, Republic of Singapore (Chng)
3. Department of Diagnostic and Interventional Neuroradiology, Hopital Foch, Suresnes, France (Rodesch)
4. Department of Diagnostic and Interventional Neuroradiology, Hopital de Bicêtre, Le Kremlin Bicêtre, France, and Department of Radiology, Hospital Italiano, Buenos Aires, Argentina (Garcia-Monaco)