AUTHOR=Aversa Antonio , Monzani Fabio , La Vignera Sandro TITLE=Editorial: Endocrine Frailty in the Elderly JOURNAL=Frontiers in Endocrinology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2019.00627 DOI=10.3389/fendo.2019.00627 ISSN=1664-2392