1. Department of Family Medicine, Siaal Research Center for Family Medicine and Primary Care, Faculty of the Health Sciences, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
2. Clalit Health Services, Southern District The Negev Mall, Eli Choen Junction, Beer-Sheva 84105, Israel
3. The Israel Ministry of Health, Southern Region, Hatikva 4 St, P.O. Box 10050, Government Campus, Beer-
Sheva 84170, Israel