1 From the Department of Neurology (B.H.), University of Rochester Medical Center, NY; and Department of Neurology (W.O.T.), Mayo Clinic, Jacksonville, FL. Brian_Hanrahan@URMC.Rochester.edu.
2 From the Department of Neurology (B.H.), University of Rochester Medical Center, NY; and Department of Neurology (W.O.T.), Mayo Clinic, Jacksonville, FL.