1. Bone Marrow Transplant Unit, Massachusetts General Hospital, Boston, MA, USA,
2. CALGB Statistical Center, Duke University, Durham, NC, USA,
3. Massachusetts General Hospital, Boston, MA, USA,
4. Dana-Farber Cancer Institute, Boston, MA,
5. Dana-Farber Cancer Institute, Boston, MA, USA,
6. Department of Medicine, North Shore-Long Island Jewish Health System, Manhasset, NY, USA,
7. Comprehensive Cancer Center of Wake Forest University, Winston Salem, NC, USA,
8. University of North Carolina, Chapel Hill, NC, USA,
9. Roswell Park Memorial Institute, Buffalo, NY, USA,
10. The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA,
11. Duke University, Durham, NC,
12. CALGB Statistical Center, Duke University, Durham, NC,
13. University of Chicago, Chicago, IL, USA