AUTHOR=Akbar Mohammad Rizki , Wibowo Arief , Pranata Raymond , Setiabudiawan Budi TITLE=Corrigendum: Low Serum 25-hydroxyvitamin D (Vitamin D) Level Is Associated With Susceptibility to COVID-19, Severity, and Mortality: A Systematic Review and Meta-Analysis JOURNAL=Frontiers in Nutrition VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2021.754539 DOI=10.3389/fnut.2021.754539 ISSN=2296-861X