AUTHOR=Espinoza-Sánchez Nancy Adriana , Chimal-Ramírez Gloria Karina , Mantilla Alejandra , Fuentes-Pananá Ezequiel Moisés TITLE=Corrigendum: IL-1β, IL-8, and Matrix Metalloproteinases-1, -2, and -10 Are Enriched upon Monocyte–Breast Cancer Cell Cocultivation in a Matrigel-Based Three-Dimensional System JOURNAL=Frontiers in Immunology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2017.00856 DOI=10.3389/fimmu.2017.00856 ISSN=1664-3224