1. Department of Cardiology and Clinical Examination, Faculty of Medicine, Oita University
2. Department of Medical Technology, Oita University Hospital
3. Department of Neurology, Faculty of Medicine, Oita University
4. Department of Diagnostic Pathology, Faculty of Medicine, Oita University
5. Department of Radiology, Faculty of Medicine, Oita University
6. Department of Neurology, Graduate School of Medical Sciences, Kumamoto University