1. Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
2. Harvard Medical School, Boston, Massachusetts, USA
3. Department of Hematology/Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA
4. Massachusetts General Hospital Cancer Center, Boston, Massachusetts, USA
5. Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, USA
6. Health Policy Research Center, Massachusetts General Hospital, Boston, Massachusetts, USA
7. Thoracic Radiation Oncology Program, Massachusetts General Hospital, Boston, Massachusetts, USA
8. Department of Pulmonary & Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
9. Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
10. Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA