1. Veterans Affairs San Diego Healthcare System, San Diego, CA, USA
2. Department of Psychiatry, University of California San Diego, School of Medicine, 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. Department of Psychology, University of Southern California, Los Angeles, CA, USA
5. Department of Neurology, Drexel University, College of Medicine, Philadelphia, PA, USA
6. Department of Neurology and the Framingham Heart Study, Boston University, School of Medicine, Boston, MA, USA
7. Department of Neurosciences, University of California San Diego, School of Medicine, La Jolla, CA, USA