1. Radiology, Research, and Psychiatry Services, VA San Diego Healthcare System, San Diego, CA, United States
2. Department of Radiology, University of California, San Diego, CA, United States
3. Department of Electrical and Computer Engineering, University of California, San Diego, CA, United States
4. Department of Bioengineering, Stanford University, Stanford, CA, United States
5. Department of Neurosciences, University of California, San Diego, CA, United States
6. Department of Psychiatry, University of California, San Diego, CA, United States
7. Department of Medicine, University of California, San Diego, CA, United States
8. VA Center of Excellence for Stress and Mental Health, VA San Diego Healthcare System, San Diego, CA, United States