1. Department of Radiology and Huaxi MR Research Center (HMRRC), Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital of Sichuan University , No. 37 Guoxue Alley, Wuhou District, Chengdu, Sichuan 610041 , China
2. Research Unit of Psychoradiology, Chinese Academy of Medical Sciences , No. 37 Guoxue Alley, Wuhou District, Chengdu, Sichuan 610041 , China
3. Department of Neurology , Laboratory of Neurodegenerative Disorders, , No. 37 Guoxue Alley, Wuhou District, Chengdu, Sichuan 610041 , China
4. National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University , Laboratory of Neurodegenerative Disorders, , No. 37 Guoxue Alley, Wuhou District, Chengdu, Sichuan 610041 , China
5. Department of Radiology, West China Xiamen Hospital of Sichuan University , 699 Jinyuan Xi Road, Jimei District, Xiamen, Fujian 361021 , China