1. Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN
2. Vanderbilt-Ingram Cancer Center, Clinical Trial Shared Resource, Vanderbilt University Medical Center, Nashville, TN
3. Department of Medicine, Division of Hematology/Oncology, Vanderbilt University Medical Center, Nashville, TN
4. Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN
5. Department of Internal Medicine, Division of Hematology/Oncology, Rush University Medical Center, Chicago, IL
6. Rush University Cancer Center, Rush University Medical Center, Chicago, IL