Affiliation: | 1. Departments of Health Sciences Research, Mayo Clinic, Rochester, MN;2. Neurology, Mayo Clinic, Rochester, MN;3. Departments of Psychiatry and Psychology, Mayo Clinic, Scottsdale, AZ;4. Neurology, Mayo Clinic, Scottsdale, AZ;5. Departments of Psychiatry and Psychology, Mayo Clinic, Rochester, MN;6. Radiology, Mayo Clinic, Rochester, MN |