1. From the Departments of Radiology (S.G., H.K., A.M., M.A., D.F.K., R.K.), Neurologic Surgery (S.G., R.K.), and Neurology (M.L., A.A.R., D.N.), Mayo Clinic, Rochester, MN; Evidence-based Practice Center (A.S.A.), Kern Center for the Science of Healthcare Delivery, Mayo Clinic, Rochester, MN; Neuroendovascular Program (A.A.D.), Massachusetts General Hospital & Brigham and Women's Hospital, Harvard Medical School, Boston, MA; Neurovascular Centre, Divisions of Therapeutic Neuroradiology &...