AUTHOR=Beattie James , Al-Khafaji Hasanain , Noer Pernille R. , Alkharobi Hanaa Esa , Alhodhodi Aishah , Meade Josephine , El-Gendy Reem , Oxvig Claus TITLE=Corrigendum: Insulin- like Growth Factor-Binding Protein Action in Bone Tissue: A Key Role for Pregnancy- Associated Plasma Protein-A JOURNAL=Frontiers in Endocrinology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2018.00510 DOI=10.3389/fendo.2018.00510 ISSN=1664-2392