1. Department of Neurology, Haeundae Paik Hospital Inje University College of Medicine Busan Korea
2. Department of Cardiology, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
3. Division of Cardiology, Department of Internal Medicine Sejong Chungnam National University Hospital, Chungnam National University College of Medicine Daejeon Korea
4. Department of Neurology, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
5. Clinical Research Center, Asan Institute for Life Sciences, Asan Medical Center University of Ulsan College of Medicine Seoul Korea