1. Institute of Brain Science, School of Medicine, National Yang-Ming University; Taipei Taiwan
2. Department of Education and Research; Taipei City hospital; Taipei Taiwan
3. Department of Medical Research and Education, Laboratory of Neurophysiology; Taipei Veterans General Hospital; Taipei Taiwan
4. Department of Neurology; Taipei Veterans General Hospital; Taipei Taiwan
5. Department of Neurology; School of Medicine; National Yang-Ming University; Taipei Taiwan
6. Institute of Clinical Medicine, School of Medicine, National Yang-Ming University; Taipei Taiwan. Institute of Physiology; School of Medicine; National Yang-Ming University; Taipei Taiwan