1. Amalia Biron Research Institute of Thrombosis and Hemostasis, Chaim Sheba Medical Center, Tel Hashomer and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel;
2. Pediatric Department, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel;
3. Ruth and Bruce Rappoport Faculty of Medicine, Technion, Haifa, Israel;
4. Neonatology Unit, Laniado Hospital, Netanya, Israel;
5. Department of Pediatrics, Barzilai University Medical Center, Ashkelon, and Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel; and
6. Pediatric Hemato-oncology Department, Laniado Hospital, Netanya, Israel