1. Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, New York.
2. Department of Physiology and Neuroscience, New York University School of Medicine, New York, New York.
3. Rusk Institute of Rehabilitation Medicine, New York University School of Medicine, New York, New York.
4. Department of Psychiatry, New York University School of Medicine, New York, New York.
5. Department of Neurology, Mount Sinai School of Medicine, New York, New York.