AUTHOR=Leiva Rene Antonio , Bouchard Thomas Paul , Abdullah Saman Hasan , Ecochard René TITLE=Corrigendum: Urinary Luteinizing Hormone Tests: Which Concentration Threshold Best Predicts Ovulation? JOURNAL=Frontiers in Public Health VOLUME=6 YEAR=2018 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2018.00345 DOI=10.3389/fpubh.2018.00345 ISSN=2296-2565