1. Institute of Endocrinology, Sheba Medical Center, Tel-Hashomer, Israel.
2. Israel National Cancer Registry, Ministry of Health, Jerusalem, Israel.
3. School of Public Health, Haifa University, Israel.
4. Sackler School of Medicine, Tel Aviv University, Israel.
5. Cancer & Radiation Epidemiology Unit, Gertner Institute, Sheba Medical Center, Tel-Hashomer, Israel.