1. Department of Family Medicine; Georgetown University Medical Center; Washington District of Columbia USA
2. Department of Mathematics and Computer Science; Duquesne University; Pittsburgh Pennsylvania USA
3. University of Pittsburgh Medical Center-St. Margaret Hospital; Pittsburgh Pennsylvania USA
4. Chief Physician's Office; Clalit Health Services; Tel Aviv Israel
5. Department of Family Medicine, Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
6. The Robert Graham Center for Policy Studies in Family Medicine and Primary Care; Washington District of Columbia USA
7. Department of Family Medicine; Hebrew University; Jerusalem Israel
8. Clalit Health Services; Jerusalem Israel