1. Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance Xiamen University Xiamen China
2. F.M. Kirby Research Center for Functional Brain Imaging Kennedy Krieger Institute Baltimore Maryland
3. Department of Radiology and Radiological Sciences Johns Hopkins University Baltimore Maryland
4. Department of Psychiatry, Division of Neurobiology Johns Hopkins University Baltimore Maryland
5. Departments of Neurology, Neuroscience and Pharmacology Johns Hopkins University Baltimore Maryland