1. Brain Imaging and Analysis Center, Duke University Medical Center; Durham North Carolina
2. Department of Psychiatry and Behavioral Sciences; Duke University Medical Center; Durham North Carolina
3. Department of Radiology; Duke University Medical Center; Durham North Carolina
4. Center for Cognitive Neuroscience, Duke University; Durham North Carolina
5. Department of Psychology; and Social, Life, and Engineering Sciences Imaging Center, Pennsylvania State University; University Park Pennsylvania