1. Department of Hemato-Oncology; Faculty of Medicine and Dentistry and University Hospital; Olomouc; Czech Republic
2. Fels Institute; Temple University School of Medicine; Philadelphia; Pennsylvania
3. Department of Medicine/Division of Hematology; School of Medicine, University of Washington; Seattle; Washington
4. Departments of Medicine; Pathology and Genetics, University of Utah and Medical Service, George E. Wahlen Department of Veterans Affairs Medical Center; Salt Lake City; Utah