Gad Segal1,2,3. 1. Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel. Gad.segal@sheba.health.gov.il. 2. St. Georges school of medicine, University of Nicosia at Sheba Medical Center, Tel-Hashomer, Israel. Gad.segal@sheba.health.gov.il. 3. Israel Society of Internal Medicine, Kfar Sava, Israel. Gad.segal@sheba.health.gov.il.