From the Departments of Radiology (J.M.R., R.P., W.A., A.M., C.J., R.G.G.), Surgery (G.L.), Cardiology (M.R.J.), and Neurology (F.B.), Massachusetts General Hospital, Harvard University, Boston; and Department of Interventional Neuroradiology, Neuroscience Institute, Abbott Northwestern Hospital, Minneapolis, MN (J.D.A.).(2013-12時点)
