1. Department of Pediatrics and Laboratory for Leukocyte Function; Meir Medical Center; Kfar Saba Israel
2. Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
3. Institute of Hematology, Davidoff Cancer Center, Rabin Medical Center; Petach Tikva Israel
4. Immunology Service, Department of Pediatrics; Safra Children’s Hospital, Sheba Medical Center; Tel Hashomer Israel
5. Ambulatory Pediatrics; Nablus Palestinian Authority
6. Blood Coagulation Service and Pediatric Hematology Clinic; Galilee Medical Center; Nahariya Israel
7. Azrieli Faculty of Medicine; Bar Ilan University; Safed Israel
8. Department of Pediatrics; Schneider Children's Medical Center; Tel Aviv Israel
9. Department of Pediatric Hematology-Oncology and Bone Marrow Transplantation; Hadassah Medical Center; Jerusalem Israel
10. Ruth Children’s Hospital and Rappaport Faculty of Medicine; The Technion; Haifa Israel