1 Department of Interventional Neuroradiology, Fondation Rothschild Hospital, Paris, France.
2 Division of Neurosurgery, Department of Surgery, University of Alberta Hospital, Mackenzie Health Sciences Centre, Edmonton, Alberta, Canada.
3 Department of Radiology, Centre Hospitalier Universitaire de Montréal - CHUM, Service of Interventional Neuroradiology, Montreal, Canada.
4 Department of Mathematics and Statistic, Université de Montréal, Montreal, Quebec, Canada.
5 Department of Radiology, Centre Hospitalier Universitaire de Montréal - CHUM, Service of Interventional Neuroradiology, Montreal, Canada. Electronic address: [email protected].