Radiology 2016 07 9;280(1):244-51. Epub 2016 Feb 9.
From the Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13th St, Charlestown, MA 02129 (S.Y.H., A.N., T.W., L.L.W.); Department of Neurology, Massachusetts General Hospital, Boston, Mass (S.M.T., E.C.K.); and Richard M. Lucas Center for Imaging, Department of Radiology, Stanford University, Stanford, Calif (J.A.M.).