1 From the Departments of Neurology (A.L., S.S.) and Pathology and Ophthalmology (A.D.P.), Duke University Medical Center, Durham; and Department of Pathology (A.D.P.), Campbell University School of Osteopathic Medicine, Lillington, NC. Ariel.Lefland@duke.edu.
2 From the Departments of Neurology (A.L., S.S.) and Pathology and Ophthalmology (A.D.P.), Duke University Medical Center, Durham; and Department of Pathology (A.D.P.), Campbell University School of Osteopathic Medicine, Lillington, NC.