1. Stroke and Neurological Disorders Center, Kyung Hee University Hospital at Gangdong, College of Korean Medicine Kyung Hee University Seoul Republic of Korea
2. Department of Biomedical Engineering, Undergraduate School, College of Electronics and Information Kyung Hee University Yongin‐si Gyeonggi‐do Republic of Korea
3. Department of Clinical Korean Medicine, Graduate School Kyung Hee University Seoul Republic of Korea
4. Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine Kyung Hee University Seoul Republic of Korea
5. Division of Neuroradiology, Department of Radiology The Johns Hopkins University School of Medicine Baltimore Maryland USA