AUTHOR=Keski-Rahkonen Pekka , Robinson Oliver , Alfano Rossella , Plusquin Michelle , Scalbert Augustin TITLE=Commentary: Data Processing Thresholds for Abundance and Sparsity and Missed Biological Insights in an Untargeted Chemical Analysis of Blood Specimens for Exposomics JOURNAL=Frontiers in Public Health VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2021.755837 DOI=10.3389/fpubh.2021.755837 ISSN=2296-2565