1. Department of Neurology; Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
2. Department of Neurology; Kaohsiung Municipal Ta-Tung Hospital; Kaohsiung Taiwan
3. Department of Neurology; Kaohsiung Medical University; Kaohsiung Taiwan
4. Department of and Master's Program in Neurology, Faculty of Medicine, College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan