1. Center for Systems Biology, Massachusetts General Hospital, 185 Cambridge Street, CPZN 5206, Boston, MA 02114, USA.
2. Department of Radiology, Massachusetts General Hospital, 185 Cambridge Street, CPZN 5206, Boston, MA 02114, USA.
3. Department of Systems Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA.
4. Graduate Program in Immunology, Harvard Medical School, Boston, MA 02115, USA.
5. Center for Immunology and Infectious Disease, Massachusetts General Hospital, 149 8th Street, Charlestown, MA 02129, USA.
6. Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA.