1. Division of Vascular Surgery, Department of Surgery, Faculty of Medicine; Thammasat University (Rangsit Campus); Pathum Thani Thailand
2. Centre for Prevention of Stroke and Dementia, Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford UK
3. Department of Surgery, Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand
4. Research Institute for Health Sciences; Chiang Mai University; Chiang Mai Thailand