Corrigendum: Genetic Polymorphism of Vitamin D Family Genes CYP2R1, CYP24A1, and CYP27B1 Are Associated With a High Risk of Non-alcoholic Fatty Liver Disease: A Case-Control Study - Wang, Minxian; Zhang, Ru; Wang, Min; Zhang, Liuxin; Ding, Yajie; Tang, Zongzhe; Wang, Hongliang; Zhang, Wei; Chen, Yue; Wang, Jie (Frontiers in Genetics, 2021)