1. Department of Neurology, Imaging Genetics Center, Laboratory of Neuro Imaging, UCLA School of Medicine, Los Angeles, California.
2. Department of Radiology, Mayo Clinic, Rochester, Minnesota.
3. Department of Radiology, Medicine, and Psychiatry, University of California San Francisco, San Francisco, California.
4. San Francisco VA Medical Center, U.S. Department of Veteran Affairs, San Francisco, California.