Examples of flowcharts for Strengthening the Organization and Reporting of Microbiome Studies (STORMS, https://stormsmicrobiome.org) item 3.6. Though not required by STORMS, flowcharts can help visualize how the final analytic sample was calculated. This figure template was developed by Francine Z. Marques and modified slightly by Chloe Mirzayi. You can copy, modify, distribute and present the work, even for commercial purposes, all without asking permission. See the CC0 license for more information.