1 From the Department of Neurology (L.K.S., V.K., S.P., A.P.M., S.K.S.), and Department of Opthalmology (P.K.P.), IMS and SUM Hospital, Bhubaneswar, India. lulupsahoo@gmail.com.
2 From the Department of Neurology (L.K.S., V.K., S.P., A.P.M., S.K.S.), and Department of Opthalmology (P.K.P.), IMS and SUM Hospital, Bhubaneswar, India.