1. Department of Psychiatry, Harvard Medical School, and Center for Depression, Anxiety and Stress Research, McLean Hospital, Belmont, MA, USA
2. Department of Psychology, University of California Los Angeles, CA, USA
3. Department of Psychology, Emory University, Atlanta, GA, USA
4. Department of Radiology, Gordon Center for Medical Imaging, Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA