1. Division of Hematology/Oncology, Seidman Cancer Center, University Hospitals, Cleveland, Ohio.
2. Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio.
3. Division of Hematology/Oncology, Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia.
4. Cancer Therapy and Evaluation Program, National Cancer Institute, Bethesda, Maryland.
5. Division of Hematology/Oncology, Henry Ford Hospital Health System, Detroit, Michigan.