1. Cancer & Radiation Epidemiology Unit, Gertner Institute for Epidemiology & Health Policy Research, Chaim Sheba Medical Center, Ramat Gan, Israel.
2. Biostatistics Unit, Gertner Institute for Epidemiology & Health Policy Research, Chaim Sheba Medical Center, Ramat Gan, Israel.
3. Ministry of Education, Tel Aviv, Israel.
4. Supervision on Health and Health Education, Ministry of Education, Jerusalem, Israel.
5. Department of Epidemiology and Preventive Medicine, School of Public Health, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.