1. Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia.
2. Magnetic Resonance Research Center (MRRC) and Radiology and Biomedical Imaging, Yale University, New Haven, Connecticut.
3. Department of Neuroscience, Emory University, Atlanta, Georgia.
4. Department of Psychology, Georgia Institute of Technology, Atlanta, Georgia.
5. Department of Neurology, Emory University School of Medicine, Atlanta, Georgia.