From the Division of General Surgery and Trauma, Hospital Administration, and the Internal Medicine Department, Hillel Yaffe Medical Center, Hadera, Israel, The Open University of Israel, Ra'anana, Bnei Zion Hospital, Haifa, Israel, Shamir Medical Center, Zriffin, Israel, the Internal Medicine Division, Meir Medical Center, Kfar Saba, Israel, and Shaarei Zedek Hospital, Jerusalem, Israel.