AUTHOR=Ruaro Barbara , Guiducci Serena , da Silva José A. P. , Wade Barbara , Baratella Elisa , Confalonieri Marco TITLE=Editorial: Osteoporosis in Rheumatic Diseases, What's New? JOURNAL=Frontiers in Medicine VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2021.808345 DOI=10.3389/fmed.2021.808345 ISSN=2296-858X