1 Department of Neurology, Tainan Sin Lau Hospital, Tainan, Taiwan.
2 Department of Neurology, Chi Mei Medical Center, National Cheng Kung University, Tainan, Taiwan.
3 Department of Neurology, National Cheng Kung University Hospital and College of Medicine, National Cheng Kung University, Tainan, Taiwan.
4 Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
5 Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan. Electronic address: yhkao@mail.ncku.edu.tw.