1. These authors contributed equally to the study
2. The Division of Epidemiology, Public Health Services, Ministry of Health, Jerusalem, Israel
3. Ministry of Health Directorate, Jerusalem, Israel
4. School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
5. Public Health Services, Ministry of Health, Jerusalem, Israel
6. Braun School of Public Health and Community Medicine, Hebrew University and Hadassah, Jerusalem, Israel
7. Israel Institute for Biological Research, Ness Ziona, Israel
8. Northern District, Ministry of Health, Israel
9. Public Health Branch, IDF Medical Corps, Israel
10. Nature and Parks Authority, Jerusalem, Israel
11. Mekorot Central Laboratory, Eshkol Site, National Water Company, Israel
12. Israeli Veterinary Services, Ministry of Agriculture and Rural Development, Beit Dagan, Israel
13. Hadassah Medical Center, Jerusalem, Israel
14. Jerusalem District, Clalit Health Services, Jerusalem, Israel
15. Public Health Laboratory, Haifa District, Ministry of Health, Haifa, Israel