AUTHOR=Vafaizadeh Vida , Peuhu Emilia , Van Keymeulen Alexandra , Koledova Zuzana TITLE=Editorial: Perspectives in Mammary Gland Development and Breast Cancer Research JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2020.00719 DOI=10.3389/fcell.2020.00719 ISSN=2296-634X