1 From the Departments of Neurology (M.M.M.) and Pathology (N.S.G.), Janakpuri Super Speciality Hospital, New Delhi, India; Vascular Neurology (P.M.), University of Virginia, Charlottesville; and Neurology (M.W.), Aga Khan University, Karachi, Pakistan. mmehndi@hotmail.com.
2 From the Departments of Neurology (M.M.M.) and Pathology (N.S.G.), Janakpuri Super Speciality Hospital, New Delhi, India; Vascular Neurology (P.M.), University of Virginia, Charlottesville; and Neurology (M.W.), Aga Khan University, Karachi, Pakistan.