1. Department of Neurology; Shuang Ho Hospital; Taipei Medical University; New Taipei City Taiwan
2. Department of Neurology; School of Medicine; College of Medicine; Taipei Medical University; Taipei Taiwan
3. Department of Neurology; School of Medicine; National Yang-Ming University; Taipei Taiwan
4. School of Public Health; College of Public Health and Nutrition; Taipei Medical University; Taipei Taiwan
5. School of Health Care and Administration; College of Public Health and Nutrition; Taipei Medical University; Taipei Taiwan