Department of Neurology, Island Hospital, Penang, Malaysia; Corresponding author at: Department of Medicine (Neurology), Island Hospital, 308 Macalister Road, 10450, Georgetown, Penang, Malaysia. Tel.: +604-2383434.
Chia Yin Por
Department of Medicine, Penang General Hospital, Penang, Malaysia
Yuan Ye Beh
Department of Medicine, Penang General Hospital, Penang, Malaysia
Jie Ping Schee
Faculty of Medicine (Divisions of Neurology), University of Malaya, Malaysia
Ai Huey Tan
Faculty of Medicine (Divisions of Neurology), University of Malaya, Malaysia
