1. Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
2. Department of Hematology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
3. Department of Hematopathology The University of Texas MD Anderson Cancer Center Houston Texas
4. Division of Hematology‐Oncology Lebanese American University and Lebanese American University Medical Center‐Rizk Hospital Beirut Lebanon
5. Department of Biostatistics The University of Texas MD Anderson Cancer Center Houston Texas