1. Department of NeurologyXuan Wu HospitalCapital Medical UniversityBeijingP. R. China
2. Department of Computer ScienceUniversity of OtagoDunedinNew Zealand
3. Department of NeurologyFu Xing HospitalCapital Medical UniversityBeijingP. R. China
4. Department of GeriatricsGuangzhou Brain Hospital, Affiliated Hospital of Guangzhou Medical College, GuangzhouGuangdong ProvinceP. R. China
5. Department of NeurologyAffiliated Hospital of Guiyang Medical CollegeGuiyangGuizhou ProvinceP. R. China
6. Department of NeurologyThird Affiliated Hospital of Henan University of Traditional Chinese MedicineZhengzhouHenan ProvinceP. R. China
7. Department of NeurologyFirst Hospital of Jilin University, ChangchunJinlinProvinceP. R. China
8. Department of NeurologyFourth Hospital of Jilin University, ChangchunJinlinProvinceP. R. China
9. Department of NeurologyBeijing Geriatric HospitalBeijingP. R. China
10. National Center for Chronic and Noncommunicable Disease Control and PreventionBeijingP. R. China
11. Department of NeurologyTongren Hospital, Capital Medical UniversityBeijingP. R. China