AUTHOR=Chen Yahong , Zhang Jing , Curtis Jeffrey L. TITLE=Editorial: Toolkits for Prediction and Early Detection of Acute Exacerbations of Chronic Obstructive Pulmonary Disease JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.899450 DOI=10.3389/fmed.2022.899450 ISSN=2296-858X