1. Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia.
2. Department of Psychiatry, College of Medicine, University of Arizona, Tucson, Arizona.
3. Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, United Kingdom.
4. Neuroscience Institute, Georgia State University, Atlanta, Georgia.
5. Center for Behavioral Neuroscience, Center for Nano-Optics, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia.