1 From the Department of Neurology (K.K.T.), Legacy Health, Portland, OR; and the Department of Neurology (C.G.T.), University of Rochester Medical Center, NY. keiran_tuck@hotmail.com.
2 From the Department of Neurology (K.K.T.), Legacy Health, Portland, OR; and the Department of Neurology (C.G.T.), University of Rochester Medical Center, NY.