1. Department of Internal Medicine A, Assaf Harofeh Medical Center, Zerifin, Israel.
2. Research and Development Unit, Assaf Harofeh Medical Center, Zerifin, Israel.
3. Department of Family Medicine Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel.
4. Department of Family Medicine, Clalit Health Services, Central District, Rishon Le-Zion, Israel.