1. Department of NeurologyChung Shan Medical University HospitalTaichung Taiwan
2. Pharmacological Institute, College of MedicineNational Taiwan UniversityTaipei Taiwan
3. Department of Internal Medicine, Division of CardiologyChung Shan Medical University HospitalTaichung Taiwan
4. Graduate Institute of Clinical Medicine and Department of Neurology, College of MedicineTaipei Medical University and HospitalTaipei Taiwan