AUTHOR=Razak Suhail , Alam Iftikhar , Afsar Tayyaba , Abulmeaty Mahmoud M. A. , Almajwal Ali , Jahan Sarwat TITLE=Corrigendum: A Prospective Evaluation of Serum Vitamin D (1, 25(OH)2 D3) and Endogenous Sex Hormone Levels in Colorectal Cancer Patients JOURNAL=Frontiers in Oncology VOLUME=10 YEAR=2020 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.00200 DOI=10.3389/fonc.2020.00200 ISSN=2234-943X