Institution: | 1. Institute of Hematology “L. e A. Seràgnoli” University of Bologna, Italy;2. Chair of Hematology, University of Ferrara, Italy;3. Department of Oncology and Hematology, University of Hamburg, Federal Republic of Germany;4. Department of Clinical Genetics, University of Lund, Sweden;5. Academisch Ziechenhuis, Saint Raphael, University of Leuven, Belgium |