1. Division of Neurology, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. North-Eastern Stroke Research Group, Khon Kaen University, Khon Kaen, Thailand
3. ASEAN Cancer Epidemiology and Prevention Research Group, Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand
4. Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand