1. Department of Diagnostic Imaging (R.A.M., R.A.H., M.V.J.), Warren Alpert School of Medicine at Brown University, Providence, RI.
2. Department of Neurology (R.A.M., R.A.H., M.V.J.), Warren Alpert School of Medicine at Brown University, Providence, RI.
3. Department of Neurosurgery (R.A.M., K.L., R.A.H., M.V.J.), Warren Alpert School of Medicine at Brown University, Providence, RI.
4. The Norman Prince Neuroscience Institute, Rhode Island Hospital, Providence, RI (R.A.M., R.A.H., M.V.J.).
5. Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada (J.K.H.).
6. Department of Clinical Neurosciences, University of Calgary, Canada (J.M.O., M.G.).
7. Division of Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, University of Basel, Switzerland (J.M.O.).
8. Department of Neurointervention, Institute of Neurological Sciences, Prince of Wales Hospital, Sydney, Australia (A.K.C., N.W.M., J.D.W.).
9. Department of Neurointervention, Liverpool Hospital, Sydney, Australia (A.K.C., N.W.M., J.D.W.).
10. Ingham Institute for Applied Medical Research, Sydney, Australia (A.K.C., N.W.M., J.D.W.).
11. Prince of Wales Clinical School, University of New South Wales, Sydney, Australia (N.W.M., J.D.W.).
12. Department of Neurology, Monash Health and School of Clinical Sciences at Monash Health, Monash University, Melbourne, Australia (T.G.P.).
13. Department of Medicine, Peninsula Health and Central Clinical School, Monash University and Murdoch Children’s Research Institute Melbourne Australia (R.B.).
14. Department of Industrial Engineering, Dalhousie University, Halifax, Nova Scotia, Canada (N.K.).
15. Department of Radiology, Seaman Family MR Research Centre, Foothills Medical Centre, Calgary, Canada (M.G.).