1. Veterans Affairs San Diego Healthcare System, San Diego, CA, USA
2. Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
3. San Diego State University/University of California San Diego Joint Doctoral Program in Clinical Psychology, San Diego, CA, USA
4. Veterans Affairs Boston Healthcare System, Boston, MA, USA
5. Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
6. Department of Neurosciences, University of California, San Diego, La Jolla, CA, USA
7. Department of Radiology, University of California, San Diego, La Jolla, CA, USA