Md Sohail Hassan1, Sisir Chakroborty2, Kaushik Ghosh3, Ambarish Bhattacharya4
1Department of Stroke Medicine, Worcester Royal Hospital, Worcestershire, WR5 1DD, United Kingdom; Department of Medicine, 2College of Medicine and Sagore Dutta Hospital, 3Murshidabad Medical College, 4Charnok Hospital, West Bengal, India.