Figure 2 (IMAGE) Impact Journals LLC Caption Flowchart depicting patient selection process from SEER database. Credit Correspondence to - Ofer Isakov - oferis@tlvmc.gov.il Usage Restrictions Copyright: © 2020 Levy et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.