Schneider Raphael, Tsai Jenny P, Munoz David G, Selchen Daniel H
From the University of Toronto (R.S., J.P.T.); and St. Michael's Hospital (D.G.M., D.H.S.), University of Toronto, Canada.
Neurology. 2015 Feb 3;84(5):543-4. doi: 10.1212/WNL.0000000000001203.