1. Department of Neurology, Ruijin Hospital affiliated with the School of Medicine, Shanghai Jiao Tong University, Shanghai, China
2. School of Public Health, Shanghai Jiao Tong University, Shanghai, China
3. Sheshan Town Community Health Service Center in Shanghai, Shanghai, China
4. Department of Radiology, Ruijin Hospital affiliated with the School of Medicine, Shanghai Jiao Tong University, Shanghai, China
5. Department of Public Health Sciences, Karolinska Institute, Stockholm, Sweden