1. Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance; Xiamen University; Xiamen China
2. Russell H. Morgan Department of Radiology and Radiological Science; Johns Hopkins University School of Medicine; Baltimore MD USA
3. F. M. Kirby Research Center for Functional Brain Imaging; Kennedy Krieger Research Institute; Baltimore MD USA
4. Department of Pathology; The Johns Hopkins University School of Medicine; Baltimore MD USA