1. Unit of Hematology, IRCCS-Istituto Giannina Gaslini, Genova, Italy
2. Departments of Medicine, Transfusion Medicine and HERM, The Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
3. Hemopoiesis Research Laboratory, School of Medicine, University of Crete, Greece
4. Department of Hematology, University Hospital of Heraklion, Greece
5. Departments of Medicine and Hematology, The Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden