1. Clalit Research Institute, Clalit Health Services, Tel Aviv
2. Cheryl Spencer Department of Nursing, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa
3. Community Nursing Division, Tel Aviv
4. Community Medical Division, Clalit Health Services, Tel Aviv
5. Epidemiology Department, Ben Gurion University of the Negev, Be’er Sheba, Israel