[1] Soroka Univ Med Ctr, Dept Cardiol, IL-84101 Beer Sheva, Israel
[2] S Daniel Abraham Int Ctr Hlth & Nutr, Beer Sheva, Israel
[3] Ben Gurion Univ Negev, Dept Epidemiol & Hlth Serv Evaluat, IL-84105 Beer Sheva, Israel
[4] Soroka Univ Med Ctr, Dept Surg A, Beer Sheva, Israel