AUTHOR=Torres-Farfan Claudia , Cipolla Neto Jose , Herzog Erik D. TITLE=Editorial: Decoding the Fetal Circadian System and Its Role in Adult Sickness and Health: Melatonin, a Dark History JOURNAL=Frontiers in Endocrinology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2020.00380 DOI=10.3389/fendo.2020.00380 ISSN=1664-2392