1. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;
2. Institute of Hematology, Davidoff Cancer Center, Rabin Medical Center, Petah Tikva, Israel;
3. Institute of Hematology, Biostatistical Unit, Rabin Medical Center, Petah Tikva, Israel;
4. Institute of Hematology, Medicine A, Rabin Medical Center, Petah Tikva, Israel