Wen-Ching Chen1, Poyin Huang2,3,4,5. 1. Department of General Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. 2. Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. u99802003@gmail.com. 3. Department of Neurology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. u99802003@gmail.com. 4. Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan. u99802003@gmail.com. 5. Department of Neurology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. u99802003@gmail.com.