1. 1Division of Blood and Marrow Transplantation and Cellular Therapy, Stanford University, Stanford, CA;
2. 2Alliance Statistics and Data Center, Mayo Clinic, Rochester, MN;
3. 3Scripps MD Anderson Cancer Center, San Diego, CA;
4. 4Taussig Cancer Institute/Leukemia Program, Cleveland Clinic, Cleveland, OH;
5. 5Division of Hematology Oncology, Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA;
6. 6Memorial Sloan-Kettering Cancer Center, New York, NY;
7. 7Division of Hematology, Mayo Clinic, Rochester, MN;
8. 8Division of Hematology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC;
9. 9Division of Hematologic Malignancies and Cellular Therapy, Duke University, Durham, NC;
10. 10Fred Hutchinson Cancer Research Center, Seattle, WA;
11. 11Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL; and
12. 12Division of Hematology/Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA