1. Division of Hematology; Faculty of Health Sciences; Assuta Ashdod University Hospital; Ben Gurion University of the Negev; Beersheba Israel
2. Division of Hematology and Bone Marrow Transplantation; Sheba Medical Center; Tel Hashomer Israel
3. Sackler School of Medicine; Tel Aviv University; Tel Aviv Israel
4. Department of Otolaryngology Head and Neck Surgery and Maxillofacial Surgery; Tel Aviv Sourasky Medical Center; Tel Aviv Israel
5. Department of Oral and Maxillofacial Surgery; Sheba Medical Center; Tel Hashomer Israel
6. Oral Medicine Unit; Sheba Medical Center; Tel Hashomer Israel
7. The Maurice and Gabriela Goldschleger School of Dental Medicine; Tel Aviv University; Tel Aviv Israel