1. Israel Center for Disease Control, Ministry of Health, Ramat Gan, Israel
2. School of Public Health, Tel Aviv University, Tel Aviv, Israel
3. School of Nutritional Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
4. School of Public Health, University of Haifa, Haifa, Israel
5. Nutrition Division, Public Health Services, Ministry of Health, Jerusalem, Israel