1. Department of Neurology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.
2. Department of Neurology, Yonghe Cardinal Tien Hospital, New Taipei City, Taiwan.
3. College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.
4. Institute of Cognitive Neuroscience, University College London, London, UK.
5. Division of Clinical Neurology, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK.