1. Department of Psychiatry University of Texas Health Science Center at San Antonio San Antonio Texas
2. Research Imaging Institute University of Texas Health Science Center at San Antonio San Antonio Texas
3. Department of Psychiatry Maryland Psychiatric Research Center University of Maryland School of Medicine Baltimore Maryland
4. Oxford Centre for Functional MRI of the Brain University of Oxford Oxford UK
5. Department of Psychiatry Yale University School of Medicine New Haven Connecticut
6. Russell H. Morgan Department of Radiology and Radiological Science Johns Hopkins University Baltimore Maryland