1. Department of Radiology and Huaxi MR Research Center (HMRRC), Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University , Chengdu 610041 , China
2. Research Unit of Psychoradiology, Chinese Academy of Medical Sciences , Chengdu 610041 , China
3. Department of Radiology, Banan People's Hospital, Chongqing Medical University , Chongqing 400037 , China
4. Department of Nuclear Medicine and Laboratory of Clinical Nuclear Medicine, West China Hospital, Sichuan University , Chengdu 610041 , China