1. A.A. Martinos Imaging Center, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.
2. Department of Radiology, A.A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts.
3. Boston University, Boston, Massachusetts.
4. Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts.