Affiliation: | aTel Aviv Sourasky Medical Center, Tel Aviv, Israel.;bSackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.;cMaccabi Health care Services, Center for preauthorization and consultation of CT and MR examinations, Rishon LeZion, Israel.;dMaccabi Health care Services Central Management, Tel Aviv, Israel.;eThe Gertner Institute of Epidemiology and Health Policy Research, Tel Hashomer, Israel.;fHadassah Hebrew University Medical Center, Jerusalem, Israel. |