1. Department of Neurology Yonsei University College of Medicine Seoul Korea
2. Department of Neurology, Seoul Hospital Ewha Womans University College of Medicine Seoul Korea
3. Integrative Research Center for Cerebrovascular and Cardiovascular Diseases Seoul Korea
4. Biostatistics Collaboration Unit, Department of Research Affairs Yonsei University College of Medicine Seoul Korea
5. Burke Neurological Institute White Plains New York USA
6. Feil Family Brain and Mind Research Institute, Weill Cornell Medicine New York New York USA