Abstract Background Selecting patient cohorts is a critical. iterative. and often time-consuming aspect of studies involving human subjects; informatics tools for helping streamline the process have been identified as important infrastructure components for enabling clinical and translational research. We describe the evaluation of a free and open source cohort selection tool from the... https://www.diegojavierfares.com/great-save-NAHMIAS-Miracle-Academy-T-shirt-Mens-Apparel-special-save/