1. Dr. Shapero, Dr. Greenberg, and Dr. Pedrelli are with the Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston. Dr. de Jong is with the Department of Psychiatry and Psychology, School for Mental Health and Neuroscience, Maastricht University Medical Center, Maastricht, the Netherlands. Dr. Desbordes is with the Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston.