1. Department of Pathology, School of Medicine and Health Sciences George Washington University Washington District of Columbia USA
2. Department of Hematopathology City of Hope Comprehensive Cancer Center Los Angeles California USA
3. Department of Medicine George Washington University School of Medicine and Health Sciences Washington District of Columbia USA
4. Veterans Affairs Medical Center Department of Hematology and Oncology Washington District of Columbia USA
5. Veterans Affairs Medical Center Department of Pathology Washington District of Columbia USA