1. Department of Psychiatry and Biobehavioral Sciences, The David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
2. Department of Neurology, The David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
3. Laboratory of Neuroimaging, Department of Neurology, Division of Brain Mapping, UCLA, Los Angeles, CA, USA
4. Greater Los Angeles VA Healthcare System, Department of Psychiatry, West Los Angeles, CA, USA