1. Department of Hematology, Shaare Zedek Medical Center, Jerusalem, Israel;
2. Israel National Cancer Registry, Israel Ministry of Health, Israel;
3. Department of Tuberculosis and AIDS, Ministry of Health, Jerusalem, Israel and Braun School of Public Health and Community Medicine, Faculty of Medicine, Hebrew University-Hadassah, Jerusalem, Israel;
4. Family Medicine, Clalit Health Services, Jerusalem, Israel;
5. Infectious Disease Unit, Shaare Zedek Medical Center, Jerusalem, Israel